Home / 345,943.06-477,156.09-224,861.02

Finding the Fourth Proportional to 345,943.06, 477,156.09 and 224,861.02

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Solution

The fourth proportional to 345,943.06, 477,156.09 and 224,861.02 is: 310,148.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,943.06 : 477,156.09 = 224,861.02 : x
  2. Step 2: Convert to fraction form
    345,943.06/477,156.09 = 224,861.02/x
  3. Step 3: Cross multiply
    345,943.06x = 477,156.09 × 224,861.02
  4. Step 4: Simplify right side
    345,943.06x = 107,293,805,096.61
  5. Step 5: Solve for x
    x = 107,293,805,096.61/345,943.06
  6. Step 6: Final answer
    x = 310,148.74

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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.