Home / 280,332.96-386,909.64-167,163

Finding the Fourth Proportional to 280,332.96, 386,909.64 and 167,163

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Solution

The fourth proportional to 280,332.96, 386,909.64 and 167,163 is: 230,714.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,332.96 : 386,909.64 = 167,163 : x
  2. Step 2: Convert to fraction form
    280,332.96/386,909.64 = 167,163/x
  3. Step 3: Cross multiply
    280,332.96x = 386,909.64 × 167,163
  4. Step 4: Simplify right side
    280,332.96x = 64,676,976,151.32
  5. Step 5: Solve for x
    x = 64,676,976,151.32/280,332.96
  6. Step 6: Final answer
    x = 230,714.85

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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.