Home / 385,982.42-532,502.49-240,702.74

Finding the Fourth Proportional to 385,982.42, 532,502.49 and 240,702.74

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Solution

The fourth proportional to 385,982.42, 532,502.49 and 240,702.74 is: 332,074.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,982.42 : 532,502.49 = 240,702.74 : x
  2. Step 2: Convert to fraction form
    385,982.42/532,502.49 = 240,702.74/x
  3. Step 3: Cross multiply
    385,982.42x = 532,502.49 × 240,702.74
  4. Step 4: Simplify right side
    385,982.42x = 128,174,808,399.82
  5. Step 5: Solve for x
    x = 128,174,808,399.82/385,982.42
  6. Step 6: Final answer
    x = 332,074.21

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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.