Home / 439,638.20-659,630.10-173,353.40

Finding the Fourth Proportional to 439,638.20, 659,630.10 and 173,353.40

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Solution

The fourth proportional to 439,638.20, 659,630.10 and 173,353.40 is: 260,098.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,638.20 : 659,630.10 = 173,353.40 : x
  2. Step 2: Convert to fraction form
    439,638.20/659,630.10 = 173,353.40/x
  3. Step 3: Cross multiply
    439,638.20x = 659,630.10 × 173,353.40
  4. Step 4: Simplify right side
    439,638.20x = 114,349,120,577.34
  5. Step 5: Solve for x
    x = 114,349,120,577.34/439,638.20
  6. Step 6: Final answer
    x = 260,098.24

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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.