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Finding the Fourth Proportional to 508,805.23, 763,318.55 and 153,810.02

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Solution

The fourth proportional to 508,805.23, 763,318.55 and 153,810.02 is: 230,748.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,805.23 : 763,318.55 = 153,810.02 : x
  2. Step 2: Convert to fraction form
    508,805.23/763,318.55 = 153,810.02/x
  3. Step 3: Cross multiply
    508,805.23x = 763,318.55 × 153,810.02
  4. Step 4: Simplify right side
    508,805.23x = 117,406,037,625.28
  5. Step 5: Solve for x
    x = 117,406,037,625.28/508,805.23
  6. Step 6: Final answer
    x = 230,748.49

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