Home / 442,935.40-664,295.10-127,359.40

Finding the Fourth Proportional to 442,935.40, 664,295.10 and 127,359.40

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Solution

The fourth proportional to 442,935.40, 664,295.10 and 127,359.40 is: 191,008.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,935.40 : 664,295.10 = 127,359.40 : x
  2. Step 2: Convert to fraction form
    442,935.40/664,295.10 = 127,359.40/x
  3. Step 3: Cross multiply
    442,935.40x = 664,295.10 × 127,359.40
  4. Step 4: Simplify right side
    442,935.40x = 84,604,225,358.94
  5. Step 5: Solve for x
    x = 84,604,225,358.94/442,935.40
  6. Step 6: Final answer
    x = 191,008.05

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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.