Home / 313,518.52-432,658.68-170,281.36

Finding the Fourth Proportional to 313,518.52, 432,658.68 and 170,281.36

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Solution

The fourth proportional to 313,518.52, 432,658.68 and 170,281.36 is: 234,989.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,518.52 : 432,658.68 = 170,281.36 : x
  2. Step 2: Convert to fraction form
    313,518.52/432,658.68 = 170,281.36/x
  3. Step 3: Cross multiply
    313,518.52x = 432,658.68 × 170,281.36
  4. Step 4: Simplify right side
    313,518.52x = 73,673,708,446.20
  5. Step 5: Solve for x
    x = 73,673,708,446.20/313,518.52
  6. Step 6: Final answer
    x = 234,989.97

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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.