Home / 278,117.13-383,799.33-157,282.14

Finding the Fourth Proportional to 278,117.13, 383,799.33 and 157,282.14

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Solution

The fourth proportional to 278,117.13, 383,799.33 and 157,282.14 is: 217,048.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,117.13 : 383,799.33 = 157,282.14 : x
  2. Step 2: Convert to fraction form
    278,117.13/383,799.33 = 157,282.14/x
  3. Step 3: Cross multiply
    278,117.13x = 383,799.33 × 157,282.14
  4. Step 4: Simplify right side
    278,117.13x = 60,364,779,952.97
  5. Step 5: Solve for x
    x = 60,364,779,952.97/278,117.13
  6. Step 6: Final answer
    x = 217,048.05

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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.