Home / 317,228.20-437,786.07-173,988.81

Finding the Fourth Proportional to 317,228.20, 437,786.07 and 173,988.81

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Solution

The fourth proportional to 317,228.20, 437,786.07 and 173,988.81 is: 240,110.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,228.20 : 437,786.07 = 173,988.81 : x
  2. Step 2: Convert to fraction form
    317,228.20/437,786.07 = 173,988.81/x
  3. Step 3: Cross multiply
    317,228.20x = 437,786.07 × 173,988.81
  4. Step 4: Simplify right side
    317,228.20x = 76,169,876,701.42
  5. Step 5: Solve for x
    x = 76,169,876,701.42/317,228.20
  6. Step 6: Final answer
    x = 240,110.68

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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.