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Finding the Fourth Proportional to 508,302.03, 762,430.02 and 223,916.60

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Solution

The fourth proportional to 508,302.03, 762,430.02 and 223,916.60 is: 335,864.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,302.03 : 762,430.02 = 223,916.60 : x
  2. Step 2: Convert to fraction form
    508,302.03/762,430.02 = 223,916.60/x
  3. Step 3: Cross multiply
    508,302.03x = 762,430.02 × 223,916.60
  4. Step 4: Simplify right side
    508,302.03x = 170,720,738,882.72
  5. Step 5: Solve for x
    x = 170,720,738,882.72/508,302.03
  6. Step 6: Final answer
    x = 335,864.76

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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.