Home / 289,966.32-400,154.04-162,641.52

Finding the Fourth Proportional to 289,966.32, 400,154.04 and 162,641.52

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Solution

The fourth proportional to 289,966.32, 400,154.04 and 162,641.52 is: 224,445.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,966.32 : 400,154.04 = 162,641.52 : x
  2. Step 2: Convert to fraction form
    289,966.32/400,154.04 = 162,641.52/x
  3. Step 3: Cross multiply
    289,966.32x = 400,154.04 × 162,641.52
  4. Step 4: Simplify right side
    289,966.32x = 65,081,661,299.74
  5. Step 5: Solve for x
    x = 65,081,661,299.74/289,966.32
  6. Step 6: Final answer
    x = 224,445.59

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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.