Home / 281,560.16-388,475.60-160,657.94

Finding the Fourth Proportional to 281,560.16, 388,475.60 and 160,657.94

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Solution

The fourth proportional to 281,560.16, 388,475.60 and 160,657.94 is: 221,663.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,560.16 : 388,475.60 = 160,657.94 : x
  2. Step 2: Convert to fraction form
    281,560.16/388,475.60 = 160,657.94/x
  3. Step 3: Cross multiply
    281,560.16x = 388,475.60 × 160,657.94
  4. Step 4: Simplify right side
    281,560.16x = 62,411,689,636.26
  5. Step 5: Solve for x
    x = 62,411,689,636.26/281,560.16
  6. Step 6: Final answer
    x = 221,663.78

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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.