Home / 439,730.80-659,399.10-173,354.20

Finding the Fourth Proportional to 439,730.80, 659,399.10 and 173,354.20

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Solution

The fourth proportional to 439,730.80, 659,399.10 and 173,354.20 is: 259,953.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,730.80 : 659,399.10 = 173,354.20 : x
  2. Step 2: Convert to fraction form
    439,730.80/659,399.10 = 173,354.20/x
  3. Step 3: Cross multiply
    439,730.80x = 659,399.10 × 173,354.20
  4. Step 4: Simplify right side
    439,730.80x = 114,309,603,461.22
  5. Step 5: Solve for x
    x = 114,309,603,461.22/439,730.80
  6. Step 6: Final answer
    x = 259,953.60

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1.5x scale

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.