Home / 198,668.55-298,002.81-58,427.18

Finding the Fourth Proportional to 198,668.55, 298,002.81 and 58,427.18

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Solution

The fourth proportional to 198,668.55, 298,002.81 and 58,427.18 is: 87,640.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,668.55 : 298,002.81 = 58,427.18 : x
  2. Step 2: Convert to fraction form
    198,668.55/298,002.81 = 58,427.18/x
  3. Step 3: Cross multiply
    198,668.55x = 298,002.81 × 58,427.18
  4. Step 4: Simplify right side
    198,668.55x = 17,411,462,330.36
  5. Step 5: Solve for x
    x = 17,411,462,330.36/198,668.55
  6. Step 6: Final answer
    x = 87,640.76

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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.