Home / 289,545.42-399,589.02-162,262.02

Finding the Fourth Proportional to 289,545.42, 399,589.02 and 162,262.02

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Solution

The fourth proportional to 289,545.42, 399,589.02 and 162,262.02 is: 223,930.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,545.42 : 399,589.02 = 162,262.02 : x
  2. Step 2: Convert to fraction form
    289,545.42/399,589.02 = 162,262.02/x
  3. Step 3: Cross multiply
    289,545.42x = 399,589.02 × 162,262.02
  4. Step 4: Simplify right side
    289,545.42x = 64,838,121,555.02
  5. Step 5: Solve for x
    x = 64,838,121,555.02/289,545.42
  6. Step 6: Final answer
    x = 223,930.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.