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Finding the Fourth Proportional to 508,385.84, 762,598.53 and 153,399.87

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Solution

The fourth proportional to 508,385.84, 762,598.53 and 153,399.87 is: 230,105.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,385.84 : 762,598.53 = 153,399.87 : x
  2. Step 2: Convert to fraction form
    508,385.84/762,598.53 = 153,399.87/x
  3. Step 3: Cross multiply
    508,385.84x = 762,598.53 × 153,399.87
  4. Step 4: Simplify right side
    508,385.84x = 116,982,515,364.19
  5. Step 5: Solve for x
    x = 116,982,515,364.19/508,385.84
  6. Step 6: Final answer
    x = 230,105.77

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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.