Home / 293,084.40-438,937.64-142,853.88

Finding the Fourth Proportional to 293,084.40, 438,937.64 and 142,853.88

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Solution

The fourth proportional to 293,084.40, 438,937.64 and 142,853.88 is: 213,945.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,084.40 : 438,937.64 = 142,853.88 : x
  2. Step 2: Convert to fraction form
    293,084.40/438,937.64 = 142,853.88/x
  3. Step 3: Cross multiply
    293,084.40x = 438,937.64 × 142,853.88
  4. Step 4: Simplify right side
    293,084.40x = 62,703,944,952.04
  5. Step 5: Solve for x
    x = 62,703,944,952.04/293,084.40
  6. Step 6: Final answer
    x = 213,945.01

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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.