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Finding the Fourth Proportional to 510,586.58, 765,908.67 and 155,612.18

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Solution

The fourth proportional to 510,586.58, 765,908.67 and 155,612.18 is: 233,427.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,586.58 : 765,908.67 = 155,612.18 : x
  2. Step 2: Convert to fraction form
    510,586.58/765,908.67 = 155,612.18/x
  3. Step 3: Cross multiply
    510,586.58x = 765,908.67 × 155,612.18
  4. Step 4: Simplify right side
    510,586.58x = 119,184,717,819.60
  5. Step 5: Solve for x
    x = 119,184,717,819.60/510,586.58
  6. Step 6: Final answer
    x = 233,427.05

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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.