Home / 272,454.34-408,801.39-139,444.24

Finding the Fourth Proportional to 272,454.34, 408,801.39 and 139,444.24

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Solution

The fourth proportional to 272,454.34, 408,801.39 and 139,444.24 is: 209,227.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,454.34 : 408,801.39 = 139,444.24 : x
  2. Step 2: Convert to fraction form
    272,454.34/408,801.39 = 139,444.24/x
  3. Step 3: Cross multiply
    272,454.34x = 408,801.39 × 139,444.24
  4. Step 4: Simplify right side
    272,454.34x = 57,004,999,139.49
  5. Step 5: Solve for x
    x = 57,004,999,139.49/272,454.34
  6. Step 6: Final answer
    x = 209,227.72

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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.