Home / 281,819.16-388,902.40-160,957.95

Finding the Fourth Proportional to 281,819.16, 388,902.40 and 160,957.95

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Solution

The fourth proportional to 281,819.16, 388,902.40 and 160,957.95 is: 222,117.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,819.16 : 388,902.40 = 160,957.95 : x
  2. Step 2: Convert to fraction form
    281,819.16/388,902.40 = 160,957.95/x
  3. Step 3: Cross multiply
    281,819.16x = 388,902.40 × 160,957.95
  4. Step 4: Simplify right side
    281,819.16x = 62,596,931,193.30
  5. Step 5: Solve for x
    x = 62,596,931,193.30/281,819.16
  6. Step 6: Final answer
    x = 222,117.37

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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.