Home / 445,831.30-668,844.15-146,260.90

Finding the Fourth Proportional to 445,831.30, 668,844.15 and 146,260.90

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Solution

The fourth proportional to 445,831.30, 668,844.15 and 146,260.90 is: 219,423.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,831.30 : 668,844.15 = 146,260.90 : x
  2. Step 2: Convert to fraction form
    445,831.30/668,844.15 = 146,260.90/x
  3. Step 3: Cross multiply
    445,831.30x = 668,844.15 × 146,260.90
  4. Step 4: Simplify right side
    445,831.30x = 97,825,747,338.74
  5. Step 5: Solve for x
    x = 97,825,747,338.74/445,831.30
  6. Step 6: Final answer
    x = 219,423.24

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1.5x scale

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.