Home / 354,150.06-488,341.20-239,229.22

Finding the Fourth Proportional to 354,150.06, 488,341.20 and 239,229.22

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Solution

The fourth proportional to 354,150.06, 488,341.20 and 239,229.22 is: 329,875.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,150.06 : 488,341.20 = 239,229.22 : x
  2. Step 2: Convert to fraction form
    354,150.06/488,341.20 = 239,229.22/x
  3. Step 3: Cross multiply
    354,150.06x = 488,341.20 × 239,229.22
  4. Step 4: Simplify right side
    354,150.06x = 116,825,484,369.86
  5. Step 5: Solve for x
    x = 116,825,484,369.86/354,150.06
  6. Step 6: Final answer
    x = 329,875.66

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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.