Home / 320,645.85-442,484.42-175,451.07

Finding the Fourth Proportional to 320,645.85, 442,484.42 and 175,451.07

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Solution

The fourth proportional to 320,645.85, 442,484.42 and 175,451.07 is: 242,118.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,645.85 : 442,484.42 = 175,451.07 : x
  2. Step 2: Convert to fraction form
    320,645.85/442,484.42 = 175,451.07/x
  3. Step 3: Cross multiply
    320,645.85x = 442,484.42 × 175,451.07
  4. Step 4: Simplify right side
    320,645.85x = 77,634,365,385.96
  5. Step 5: Solve for x
    x = 77,634,365,385.96/320,645.85
  6. Step 6: Final answer
    x = 242,118.73

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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.