Home / 266,289.17-399,557.24-116,509.71

Finding the Fourth Proportional to 266,289.17, 399,557.24 and 116,509.71

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Solution

The fourth proportional to 266,289.17, 399,557.24 and 116,509.71 is: 174,818.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,289.17 : 399,557.24 = 116,509.71 : x
  2. Step 2: Convert to fraction form
    266,289.17/399,557.24 = 116,509.71/x
  3. Step 3: Cross multiply
    266,289.17x = 399,557.24 × 116,509.71
  4. Step 4: Simplify right side
    266,289.17x = 46,552,298,160.80
  5. Step 5: Solve for x
    x = 46,552,298,160.80/266,289.17
  6. Step 6: Final answer
    x = 174,818.59

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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.