Home / 288,186.76-397,782.19-167,382.35

Finding the Fourth Proportional to 288,186.76, 397,782.19 and 167,382.35

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Solution

The fourth proportional to 288,186.76, 397,782.19 and 167,382.35 is: 231,036.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,186.76 : 397,782.19 = 167,382.35 : x
  2. Step 2: Convert to fraction form
    288,186.76/397,782.19 = 167,382.35/x
  3. Step 3: Cross multiply
    288,186.76x = 397,782.19 × 167,382.35
  4. Step 4: Simplify right side
    288,186.76x = 66,581,717,462.35
  5. Step 5: Solve for x
    x = 66,581,717,462.35/288,186.76
  6. Step 6: Final answer
    x = 231,036.70

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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.