Home / 345,948.32-477,397.85-202,803.70

Finding the Fourth Proportional to 345,948.32, 477,397.85 and 202,803.70

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Solution

The fourth proportional to 345,948.32, 477,397.85 and 202,803.70 is: 279,862.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,948.32 : 477,397.85 = 202,803.70 : x
  2. Step 2: Convert to fraction form
    345,948.32/477,397.85 = 202,803.70/x
  3. Step 3: Cross multiply
    345,948.32x = 477,397.85 × 202,803.70
  4. Step 4: Simplify right side
    345,948.32x = 96,818,050,352.05
  5. Step 5: Solve for x
    x = 96,818,050,352.05/345,948.32
  6. Step 6: Final answer
    x = 279,862.76

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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.