Home / 495,712.38-742,959.45-229,112.22

Finding the Fourth Proportional to 495,712.38, 742,959.45 and 229,112.22

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Solution

The fourth proportional to 495,712.38, 742,959.45 and 229,112.22 is: 343,386.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,712.38 : 742,959.45 = 229,112.22 : x
  2. Step 2: Convert to fraction form
    495,712.38/742,959.45 = 229,112.22/x
  3. Step 3: Cross multiply
    495,712.38x = 742,959.45 × 229,112.22
  4. Step 4: Simplify right side
    495,712.38x = 170,221,088,959.48
  5. Step 5: Solve for x
    x = 170,221,088,959.48/495,712.38
  6. Step 6: Final answer
    x = 343,386.80

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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.