Home / 272,286.10-408,429.15-260,038.90

Finding the Fourth Proportional to 272,286.10, 408,429.15 and 260,038.90

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Solution

The fourth proportional to 272,286.10, 408,429.15 and 260,038.90 is: 390,058.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,286.10 : 408,429.15 = 260,038.90 : x
  2. Step 2: Convert to fraction form
    272,286.10/408,429.15 = 260,038.90/x
  3. Step 3: Cross multiply
    272,286.10x = 408,429.15 × 260,038.90
  4. Step 4: Simplify right side
    272,286.10x = 106,207,466,893.94
  5. Step 5: Solve for x
    x = 106,207,466,893.94/272,286.10
  6. Step 6: Final answer
    x = 390,058.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.