Home / 434,746.08-652,217.28-154,263.36

Finding the Fourth Proportional to 434,746.08, 652,217.28 and 154,263.36

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Solution

The fourth proportional to 434,746.08, 652,217.28 and 154,263.36 is: 231,429.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,746.08 : 652,217.28 = 154,263.36 : x
  2. Step 2: Convert to fraction form
    434,746.08/652,217.28 = 154,263.36/x
  3. Step 3: Cross multiply
    434,746.08x = 652,217.28 × 154,263.36
  4. Step 4: Simplify right side
    434,746.08x = 100,613,229,062.86
  5. Step 5: Solve for x
    x = 100,613,229,062.86/434,746.08
  6. Step 6: Final answer
    x = 231,429.87

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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.