Home / 558,875.20-838,172.76-238,868.88

Finding the Fourth Proportional to 558,875.20, 838,172.76 and 238,868.88

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Solution

The fourth proportional to 558,875.20, 838,172.76 and 238,868.88 is: 358,243.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,875.20 : 838,172.76 = 238,868.88 : x
  2. Step 2: Convert to fraction form
    558,875.20/838,172.76 = 238,868.88/x
  3. Step 3: Cross multiply
    558,875.20x = 838,172.76 × 238,868.88
  4. Step 4: Simplify right side
    558,875.20x = 200,213,388,427.71
  5. Step 5: Solve for x
    x = 200,213,388,427.71/558,875.20
  6. Step 6: Final answer
    x = 358,243.47

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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.