Home / 266,945.63-399,997.04-216,781.65

Finding the Fourth Proportional to 266,945.63, 399,997.04 and 216,781.65

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Solution

The fourth proportional to 266,945.63, 399,997.04 and 216,781.65 is: 324,830.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,945.63 : 399,997.04 = 216,781.65 : x
  2. Step 2: Convert to fraction form
    266,945.63/399,997.04 = 216,781.65/x
  3. Step 3: Cross multiply
    266,945.63x = 399,997.04 × 216,781.65
  4. Step 4: Simplify right side
    266,945.63x = 86,712,017,242.41
  5. Step 5: Solve for x
    x = 86,712,017,242.41/266,945.63
  6. Step 6: Final answer
    x = 324,830.26

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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.