Home / 426,249.92-639,660.16-176,931.84

Finding the Fourth Proportional to 426,249.92, 639,660.16 and 176,931.84

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Solution

The fourth proportional to 426,249.92, 639,660.16 and 176,931.84 is: 265,516.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,249.92 : 639,660.16 = 176,931.84 : x
  2. Step 2: Convert to fraction form
    426,249.92/639,660.16 = 176,931.84/x
  3. Step 3: Cross multiply
    426,249.92x = 639,660.16 × 176,931.84
  4. Step 4: Simplify right side
    426,249.92x = 113,176,249,083.49
  5. Step 5: Solve for x
    x = 113,176,249,083.49/426,249.92
  6. Step 6: Final answer
    x = 265,516.18

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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.