Home / 439,365.04-659,041.39-173,127.86

Finding the Fourth Proportional to 439,365.04, 659,041.39 and 173,127.86

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Solution

The fourth proportional to 439,365.04, 659,041.39 and 173,127.86 is: 259,689.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,365.04 : 659,041.39 = 173,127.86 : x
  2. Step 2: Convert to fraction form
    439,365.04/659,041.39 = 173,127.86/x
  3. Step 3: Cross multiply
    439,365.04x = 659,041.39 × 173,127.86
  4. Step 4: Simplify right side
    439,365.04x = 114,098,421,774.10
  5. Step 5: Solve for x
    x = 114,098,421,774.10/439,365.04
  6. Step 6: Final answer
    x = 259,689.35

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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.