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Finding the Fourth Proportional to 269,411.68, 371,715.20 and 153,123.52

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Solution

The fourth proportional to 269,411.68, 371,715.20 and 153,123.52 is: 211,269.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,411.68 : 371,715.20 = 153,123.52 : x
  2. Step 2: Convert to fraction form
    269,411.68/371,715.20 = 153,123.52/x
  3. Step 3: Cross multiply
    269,411.68x = 371,715.20 × 153,123.52
  4. Step 4: Simplify right side
    269,411.68x = 56,918,339,861.50
  5. Step 5: Solve for x
    x = 56,918,339,861.50/269,411.68
  6. Step 6: Final answer
    x = 211,269.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.