Home / 439,221.50-606,125.68-238,017.50

Finding the Fourth Proportional to 439,221.50, 606,125.68 and 238,017.50

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Solution

The fourth proportional to 439,221.50, 606,125.68 and 238,017.50 is: 328,464.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,221.50 : 606,125.68 = 238,017.50 : x
  2. Step 2: Convert to fraction form
    439,221.50/606,125.68 = 238,017.50/x
  3. Step 3: Cross multiply
    439,221.50x = 606,125.68 × 238,017.50
  4. Step 4: Simplify right side
    439,221.50x = 144,268,519,039.40
  5. Step 5: Solve for x
    x = 144,268,519,039.40/439,221.50
  6. Step 6: Final answer
    x = 328,464.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.