Home / 288,044.07-397,470.66-158,980.16

Finding the Fourth Proportional to 288,044.07, 397,470.66 and 158,980.16

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Solution

The fourth proportional to 288,044.07, 397,470.66 and 158,980.16 is: 219,375.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,044.07 : 397,470.66 = 158,980.16 : x
  2. Step 2: Convert to fraction form
    288,044.07/397,470.66 = 158,980.16/x
  3. Step 3: Cross multiply
    288,044.07x = 397,470.66 × 158,980.16
  4. Step 4: Simplify right side
    288,044.07x = 63,189,948,178.10
  5. Step 5: Solve for x
    x = 63,189,948,178.10/288,044.07
  6. Step 6: Final answer
    x = 219,375.98

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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.