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Finding the Fourth Proportional to 266,288.17, 399,555.74 and 116,508.71

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Solution

The fourth proportional to 266,288.17, 399,555.74 and 116,508.71 is: 174,817.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,288.17 : 399,555.74 = 116,508.71 : x
  2. Step 2: Convert to fraction form
    266,288.17/399,555.74 = 116,508.71/x
  3. Step 3: Cross multiply
    266,288.17x = 399,555.74 × 116,508.71
  4. Step 4: Simplify right side
    266,288.17x = 46,551,723,840.50
  5. Step 5: Solve for x
    x = 46,551,723,840.50/266,288.17
  6. Step 6: Final answer
    x = 174,817.09

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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.