Home / 350,988.29-526,548.05-140,642.63

Finding the Fourth Proportional to 350,988.29, 526,548.05 and 140,642.63

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Solution

The fourth proportional to 350,988.29, 526,548.05 and 140,642.63 is: 210,990.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,988.29 : 526,548.05 = 140,642.63 : x
  2. Step 2: Convert to fraction form
    350,988.29/526,548.05 = 140,642.63/x
  3. Step 3: Cross multiply
    350,988.29x = 526,548.05 × 140,642.63
  4. Step 4: Simplify right side
    350,988.29x = 74,055,103,713.94
  5. Step 5: Solve for x
    x = 74,055,103,713.94/350,988.29
  6. Step 6: Final answer
    x = 210,990.24

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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.