Home / 331,217.40-457,081.74-180,315.48

Finding the Fourth Proportional to 331,217.40, 457,081.74 and 180,315.48

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Solution

The fourth proportional to 331,217.40, 457,081.74 and 180,315.48 is: 248,836.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,217.40 : 457,081.74 = 180,315.48 : x
  2. Step 2: Convert to fraction form
    331,217.40/457,081.74 = 180,315.48/x
  3. Step 3: Cross multiply
    331,217.40x = 457,081.74 × 180,315.48
  4. Step 4: Simplify right side
    331,217.40x = 82,418,913,347.34
  5. Step 5: Solve for x
    x = 82,418,913,347.34/331,217.40
  6. Step 6: Final answer
    x = 248,836.30

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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.