Home / 658,466.40-987,742.80-185,167.20

Finding the Fourth Proportional to 658,466.40, 987,742.80 and 185,167.20

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Solution

The fourth proportional to 658,466.40, 987,742.80 and 185,167.20 is: 277,762.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,466.40 : 987,742.80 = 185,167.20 : x
  2. Step 2: Convert to fraction form
    658,466.40/987,742.80 = 185,167.20/x
  3. Step 3: Cross multiply
    658,466.40x = 987,742.80 × 185,167.20
  4. Step 4: Simplify right side
    658,466.40x = 182,897,568,596.16
  5. Step 5: Solve for x
    x = 182,897,568,596.16/658,466.40
  6. Step 6: Final answer
    x = 277,762.95

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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.