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Finding the Fourth Proportional to 510,454.23, 765,792.18 and 155,458.91

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Solution

The fourth proportional to 510,454.23, 765,792.18 and 155,458.91 is: 233,222.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,454.23 : 765,792.18 = 155,458.91 : x
  2. Step 2: Convert to fraction form
    510,454.23/765,792.18 = 155,458.91/x
  3. Step 3: Cross multiply
    510,454.23x = 765,792.18 × 155,458.91
  4. Step 4: Simplify right side
    510,454.23x = 119,049,213,760.36
  5. Step 5: Solve for x
    x = 119,049,213,760.36/510,454.23
  6. Step 6: Final answer
    x = 233,222.11

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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.