Home / 372,720.40-514,340.10-227,768.56

Finding the Fourth Proportional to 372,720.40, 514,340.10 and 227,768.56

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Solution

The fourth proportional to 372,720.40, 514,340.10 and 227,768.56 is: 314,312.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,720.40 : 514,340.10 = 227,768.56 : x
  2. Step 2: Convert to fraction form
    372,720.40/514,340.10 = 227,768.56/x
  3. Step 3: Cross multiply
    372,720.40x = 514,340.10 × 227,768.56
  4. Step 4: Simplify right side
    372,720.40x = 117,150,503,927.26
  5. Step 5: Solve for x
    x = 117,150,503,927.26/372,720.40
  6. Step 6: Final answer
    x = 314,312.03

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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.