Home / 658,834.40-988,300.20-238,055.60

Finding the Fourth Proportional to 658,834.40, 988,300.20 and 238,055.60

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Solution

The fourth proportional to 658,834.40, 988,300.20 and 238,055.60 is: 357,100.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,834.40 : 988,300.20 = 238,055.60 : x
  2. Step 2: Convert to fraction form
    658,834.40/988,300.20 = 238,055.60/x
  3. Step 3: Cross multiply
    658,834.40x = 988,300.20 × 238,055.60
  4. Step 4: Simplify right side
    658,834.40x = 235,270,397,091.12
  5. Step 5: Solve for x
    x = 235,270,397,091.12/658,834.40
  6. Step 6: Final answer
    x = 357,100.96

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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.