Home / 439,621.40-659,432.10-173,293.40

Finding the Fourth Proportional to 439,621.40, 659,432.10 and 173,293.40

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Solution

The fourth proportional to 439,621.40, 659,432.10 and 173,293.40 is: 259,940.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,621.40 : 659,432.10 = 173,293.40 : x
  2. Step 2: Convert to fraction form
    439,621.40/659,432.10 = 173,293.40/x
  3. Step 3: Cross multiply
    439,621.40x = 659,432.10 × 173,293.40
  4. Step 4: Simplify right side
    439,621.40x = 114,275,230,678.14
  5. Step 5: Solve for x
    x = 114,275,230,678.14/439,621.40
  6. Step 6: Final answer
    x = 259,940.10

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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.