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Finding the Fourth Proportional to 510,583.95, 765,904.73 and 155,609.55

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Solution

The fourth proportional to 510,583.95, 765,904.73 and 155,609.55 is: 233,423.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,583.95 : 765,904.73 = 155,609.55 : x
  2. Step 2: Convert to fraction form
    510,583.95/765,904.73 = 155,609.55/x
  3. Step 3: Cross multiply
    510,583.95x = 765,904.73 × 155,609.55
  4. Step 4: Simplify right side
    510,583.95x = 119,182,089,600.12
  5. Step 5: Solve for x
    x = 119,182,089,600.12/510,583.95
  6. Step 6: Final answer
    x = 233,423.10

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.