Home / 334,985.12-502,068.84-157,254.88

Finding the Fourth Proportional to 334,985.12, 502,068.84 and 157,254.88

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Solution

The fourth proportional to 334,985.12, 502,068.84 and 157,254.88 is: 235,690.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,985.12 : 502,068.84 = 157,254.88 : x
  2. Step 2: Convert to fraction form
    334,985.12/502,068.84 = 157,254.88/x
  3. Step 3: Cross multiply
    334,985.12x = 502,068.84 × 157,254.88
  4. Step 4: Simplify right side
    334,985.12x = 78,952,775,185.94
  5. Step 5: Solve for x
    x = 78,952,775,185.94/334,985.12
  6. Step 6: Final answer
    x = 235,690.39

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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.