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Finding the Fourth Proportional to 576,258.38, 864,516 and 176,933.96

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Solution

The fourth proportional to 576,258.38, 864,516 and 176,933.96 is: 265,440.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,258.38 : 864,516 = 176,933.96 : x
  2. Step 2: Convert to fraction form
    576,258.38/864,516 = 176,933.96/x
  3. Step 3: Cross multiply
    576,258.38x = 864,516 × 176,933.96
  4. Step 4: Simplify right side
    576,258.38x = 152,962,239,363.36
  5. Step 5: Solve for x
    x = 152,962,239,363.36/576,258.38
  6. Step 6: Final answer
    x = 265,440.37

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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.