Home / 510,072.13-765,151.02-155,089.22

Finding the Fourth Proportional to 510,072.13, 765,151.02 and 155,089.22

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Solution

The fourth proportional to 510,072.13, 765,151.02 and 155,089.22 is: 232,646.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,072.13 : 765,151.02 = 155,089.22 : x
  2. Step 2: Convert to fraction form
    510,072.13/765,151.02 = 155,089.22/x
  3. Step 3: Cross multiply
    510,072.13x = 765,151.02 × 155,089.22
  4. Step 4: Simplify right side
    510,072.13x = 118,666,676,786.88
  5. Step 5: Solve for x
    x = 118,666,676,786.88/510,072.13
  6. Step 6: Final answer
    x = 232,646.86

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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.