Home / 266,569.26-399,509.45-199,483.04

Finding the Fourth Proportional to 266,569.26, 399,509.45 and 199,483.04

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Solution

The fourth proportional to 266,569.26, 399,509.45 and 199,483.04 is: 298,966.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,569.26 : 399,509.45 = 199,483.04 : x
  2. Step 2: Convert to fraction form
    266,569.26/399,509.45 = 199,483.04/x
  3. Step 3: Cross multiply
    266,569.26x = 399,509.45 × 199,483.04
  4. Step 4: Simplify right side
    266,569.26x = 79,695,356,599.77
  5. Step 5: Solve for x
    x = 79,695,356,599.77/266,569.26
  6. Step 6: Final answer
    x = 298,966.79

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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.