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Finding the Fourth Proportional to 266,502.04, 399,639.26 and 154,259.73

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Solution

The fourth proportional to 266,502.04, 399,639.26 and 154,259.73 is: 231,323.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,502.04 : 399,639.26 = 154,259.73 : x
  2. Step 2: Convert to fraction form
    266,502.04/399,639.26 = 154,259.73/x
  3. Step 3: Cross multiply
    266,502.04x = 399,639.26 × 154,259.73
  4. Step 4: Simplify right side
    266,502.04x = 61,648,244,345.00
  5. Step 5: Solve for x
    x = 61,648,244,345.00/266,502.04
  6. Step 6: Final answer
    x = 231,323.72

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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.