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Finding the Fourth Proportional to 510,303.84, 765,427.61 and 155,290.16

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Solution

The fourth proportional to 510,303.84, 765,427.61 and 155,290.16 is: 232,926.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,303.84 : 765,427.61 = 155,290.16 : x
  2. Step 2: Convert to fraction form
    510,303.84/765,427.61 = 155,290.16/x
  3. Step 3: Cross multiply
    510,303.84x = 765,427.61 × 155,290.16
  4. Step 4: Simplify right side
    510,303.84x = 118,863,372,586.41
  5. Step 5: Solve for x
    x = 118,863,372,586.41/510,303.84
  6. Step 6: Final answer
    x = 232,926.67

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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.