Home / 371,733.95-513,036.57-220,830.95

Finding the Fourth Proportional to 371,733.95, 513,036.57 and 220,830.95

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Solution

The fourth proportional to 371,733.95, 513,036.57 and 220,830.95 is: 304,772.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,733.95 : 513,036.57 = 220,830.95 : x
  2. Step 2: Convert to fraction form
    371,733.95/513,036.57 = 220,830.95/x
  3. Step 3: Cross multiply
    371,733.95x = 513,036.57 × 220,830.95
  4. Step 4: Simplify right side
    371,733.95x = 113,294,350,572.66
  5. Step 5: Solve for x
    x = 113,294,350,572.66/371,733.95
  6. Step 6: Final answer
    x = 304,772.68

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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.