Home / 280,249.17-386,740.22-152,922.57

Finding the Fourth Proportional to 280,249.17, 386,740.22 and 152,922.57

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Solution

The fourth proportional to 280,249.17, 386,740.22 and 152,922.57 is: 211,031.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,249.17 : 386,740.22 = 152,922.57 : x
  2. Step 2: Convert to fraction form
    280,249.17/386,740.22 = 152,922.57/x
  3. Step 3: Cross multiply
    280,249.17x = 386,740.22 × 152,922.57
  4. Step 4: Simplify right side
    280,249.17x = 59,141,307,010.07
  5. Step 5: Solve for x
    x = 59,141,307,010.07/280,249.17
  6. Step 6: Final answer
    x = 211,031.16

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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.