Home / 429,821.28-593,159.28-238,831.20

Finding the Fourth Proportional to 429,821.28, 593,159.28 and 238,831.20

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Solution

The fourth proportional to 429,821.28, 593,159.28 and 238,831.20 is: 329,590.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,821.28 : 593,159.28 = 238,831.20 : x
  2. Step 2: Convert to fraction form
    429,821.28/593,159.28 = 238,831.20/x
  3. Step 3: Cross multiply
    429,821.28x = 593,159.28 × 238,831.20
  4. Step 4: Simplify right side
    429,821.28x = 141,664,942,633.54
  5. Step 5: Solve for x
    x = 141,664,942,633.54/429,821.28
  6. Step 6: Final answer
    x = 329,590.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.