Home / 272,856.32-409,563.76-225,319.95

Finding the Fourth Proportional to 272,856.32, 409,563.76 and 225,319.95

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Solution

The fourth proportional to 272,856.32, 409,563.76 and 225,319.95 is: 338,210.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,856.32 : 409,563.76 = 225,319.95 : x
  2. Step 2: Convert to fraction form
    272,856.32/409,563.76 = 225,319.95/x
  3. Step 3: Cross multiply
    272,856.32x = 409,563.76 × 225,319.95
  4. Step 4: Simplify right side
    272,856.32x = 92,282,883,877.19
  5. Step 5: Solve for x
    x = 92,282,883,877.19/272,856.32
  6. Step 6: Final answer
    x = 338,210.55

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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.