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Finding the Fourth Proportional to 508,505.23, 762,881.17 and 153,498.03

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Solution

The fourth proportional to 508,505.23, 762,881.17 and 153,498.03 is: 230,284.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,505.23 : 762,881.17 = 153,498.03 : x
  2. Step 2: Convert to fraction form
    508,505.23/762,881.17 = 153,498.03/x
  3. Step 3: Cross multiply
    508,505.23x = 762,881.17 × 153,498.03
  4. Step 4: Simplify right side
    508,505.23x = 117,100,756,719.10
  5. Step 5: Solve for x
    x = 117,100,756,719.10/508,505.23
  6. Step 6: Final answer
    x = 230,284.27

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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.