Home / 320,470.05-442,230.66-175,247.01

Finding the Fourth Proportional to 320,470.05, 442,230.66 and 175,247.01

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Solution

The fourth proportional to 320,470.05, 442,230.66 and 175,247.01 is: 241,831.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,470.05 : 442,230.66 = 175,247.01 : x
  2. Step 2: Convert to fraction form
    320,470.05/442,230.66 = 175,247.01/x
  3. Step 3: Cross multiply
    320,470.05x = 442,230.66 × 175,247.01
  4. Step 4: Simplify right side
    320,470.05x = 77,499,598,684.17
  5. Step 5: Solve for x
    x = 77,499,598,684.17/320,470.05
  6. Step 6: Final answer
    x = 241,831.02

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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.