Home / 331,823.40-457,916.75-180,920.40

Finding the Fourth Proportional to 331,823.40, 457,916.75 and 180,920.40

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Solution

The fourth proportional to 331,823.40, 457,916.75 and 180,920.40 is: 249,670.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,823.40 : 457,916.75 = 180,920.40 : x
  2. Step 2: Convert to fraction form
    331,823.40/457,916.75 = 180,920.40/x
  3. Step 3: Cross multiply
    331,823.40x = 457,916.75 × 180,920.40
  4. Step 4: Simplify right side
    331,823.40x = 82,846,481,576.70
  5. Step 5: Solve for x
    x = 82,846,481,576.70/331,823.40
  6. Step 6: Final answer
    x = 249,670.40

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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.