Home / 439,209.60-658,846.80-158,690.40

Finding the Fourth Proportional to 439,209.60, 658,846.80 and 158,690.40

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Solution

The fourth proportional to 439,209.60, 658,846.80 and 158,690.40 is: 238,047.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,209.60 : 658,846.80 = 158,690.40 : x
  2. Step 2: Convert to fraction form
    439,209.60/658,846.80 = 158,690.40/x
  3. Step 3: Cross multiply
    439,209.60x = 658,846.80 × 158,690.40
  4. Step 4: Simplify right side
    439,209.60x = 104,552,662,230.72
  5. Step 5: Solve for x
    x = 104,552,662,230.72/439,209.60
  6. Step 6: Final answer
    x = 238,047.31

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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.