Home / 334,531.40-501,799.98-85,213.16

Finding the Fourth Proportional to 334,531.40, 501,799.98 and 85,213.16

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Solution

The fourth proportional to 334,531.40, 501,799.98 and 85,213.16 is: 127,820.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,531.40 : 501,799.98 = 85,213.16 : x
  2. Step 2: Convert to fraction form
    334,531.40/501,799.98 = 85,213.16/x
  3. Step 3: Cross multiply
    334,531.40x = 501,799.98 × 85,213.16
  4. Step 4: Simplify right side
    334,531.40x = 42,759,961,983.74
  5. Step 5: Solve for x
    x = 42,759,961,983.74/334,531.40
  6. Step 6: Final answer
    x = 127,820.47

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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.