Home / 318,373.27-439,356.15-175,144.21

Finding the Fourth Proportional to 318,373.27, 439,356.15 and 175,144.21

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Solution

The fourth proportional to 318,373.27, 439,356.15 and 175,144.21 is: 241,699.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,373.27 : 439,356.15 = 175,144.21 : x
  2. Step 2: Convert to fraction form
    318,373.27/439,356.15 = 175,144.21/x
  3. Step 3: Cross multiply
    318,373.27x = 439,356.15 × 175,144.21
  4. Step 4: Simplify right side
    318,373.27x = 76,950,685,800.39
  5. Step 5: Solve for x
    x = 76,950,685,800.39/318,373.27
  6. Step 6: Final answer
    x = 241,699.58

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1.5x scale

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.