Home / 347,688.68-521,611.16-187,761.04

Finding the Fourth Proportional to 347,688.68, 521,611.16 and 187,761.04

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Solution

The fourth proportional to 347,688.68, 521,611.16 and 187,761.04 is: 281,683.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,688.68 : 521,611.16 = 187,761.04 : x
  2. Step 2: Convert to fraction form
    347,688.68/521,611.16 = 187,761.04/x
  3. Step 3: Cross multiply
    347,688.68x = 521,611.16 × 187,761.04
  4. Step 4: Simplify right side
    347,688.68x = 97,938,253,877.21
  5. Step 5: Solve for x
    x = 97,938,253,877.21/347,688.68
  6. Step 6: Final answer
    x = 281,683.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.