Home / 225,432.41-311,307.45-144,999.56

Finding the Fourth Proportional to 225,432.41, 311,307.45 and 144,999.56

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Solution

The fourth proportional to 225,432.41, 311,307.45 and 144,999.56 is: 200,234.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,432.41 : 311,307.45 = 144,999.56 : x
  2. Step 2: Convert to fraction form
    225,432.41/311,307.45 = 144,999.56/x
  3. Step 3: Cross multiply
    225,432.41x = 311,307.45 × 144,999.56
  4. Step 4: Simplify right side
    225,432.41x = 45,139,441,718.18
  5. Step 5: Solve for x
    x = 45,139,441,718.18/225,432.41
  6. Step 6: Final answer
    x = 200,234.93

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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.