Home / 439,628.20-659,442.30-173,397.40

Finding the Fourth Proportional to 439,628.20, 659,442.30 and 173,397.40

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Solution

The fourth proportional to 439,628.20, 659,442.30 and 173,397.40 is: 260,096.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,628.20 : 659,442.30 = 173,397.40 : x
  2. Step 2: Convert to fraction form
    439,628.20/659,442.30 = 173,397.40/x
  3. Step 3: Cross multiply
    439,628.20x = 659,442.30 × 173,397.40
  4. Step 4: Simplify right side
    439,628.20x = 114,345,580,270.02
  5. Step 5: Solve for x
    x = 114,345,580,270.02/439,628.20
  6. Step 6: Final answer
    x = 260,096.10

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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.