Home / 272,083.28-407,250.11-145,406.16

Finding the Fourth Proportional to 272,083.28, 407,250.11 and 145,406.16

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Solution

The fourth proportional to 272,083.28, 407,250.11 and 145,406.16 is: 217,641.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,083.28 : 407,250.11 = 145,406.16 : x
  2. Step 2: Convert to fraction form
    272,083.28/407,250.11 = 145,406.16/x
  3. Step 3: Cross multiply
    272,083.28x = 407,250.11 × 145,406.16
  4. Step 4: Simplify right side
    272,083.28x = 59,216,675,018.19
  5. Step 5: Solve for x
    x = 59,216,675,018.19/272,083.28
  6. Step 6: Final answer
    x = 217,641.73

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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.