Home / 280,001.48-386,401.12-152,676.76

Finding the Fourth Proportional to 280,001.48, 386,401.12 and 152,676.76

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Solution

The fourth proportional to 280,001.48, 386,401.12 and 152,676.76 is: 210,693.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,001.48 : 386,401.12 = 152,676.76 : x
  2. Step 2: Convert to fraction form
    280,001.48/386,401.12 = 152,676.76/x
  3. Step 3: Cross multiply
    280,001.48x = 386,401.12 × 152,676.76
  4. Step 4: Simplify right side
    280,001.48x = 58,994,471,061.97
  5. Step 5: Solve for x
    x = 58,994,471,061.97/280,001.48
  6. Step 6: Final answer
    x = 210,693.43

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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.