Home / 289,905.28-400,068.52-162,583.61

Finding the Fourth Proportional to 289,905.28, 400,068.52 and 162,583.61

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Solution

The fourth proportional to 289,905.28, 400,068.52 and 162,583.61 is: 224,364.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,905.28 : 400,068.52 = 162,583.61 : x
  2. Step 2: Convert to fraction form
    289,905.28/400,068.52 = 162,583.61/x
  3. Step 3: Cross multiply
    289,905.28x = 400,068.52 × 162,583.61
  4. Step 4: Simplify right side
    289,905.28x = 65,044,581,822.16
  5. Step 5: Solve for x
    x = 65,044,581,822.16/289,905.28
  6. Step 6: Final answer
    x = 224,364.95

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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.