Home / 266,153.30-399,521.55-166,426.10

Finding the Fourth Proportional to 266,153.30, 399,521.55 and 166,426.10

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Solution

The fourth proportional to 266,153.30, 399,521.55 and 166,426.10 is: 249,821.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,153.30 : 399,521.55 = 166,426.10 : x
  2. Step 2: Convert to fraction form
    266,153.30/399,521.55 = 166,426.10/x
  3. Step 3: Cross multiply
    266,153.30x = 399,521.55 × 166,426.10
  4. Step 4: Simplify right side
    266,153.30x = 66,490,813,432.46
  5. Step 5: Solve for x
    x = 66,490,813,432.46/266,153.30
  6. Step 6: Final answer
    x = 249,821.49

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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.