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Finding the Fourth Proportional to 514,382.40, 772,071.60 and 248,329.60

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Solution

The fourth proportional to 514,382.40, 772,071.60 and 248,329.60 is: 372,734.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,382.40 : 772,071.60 = 248,329.60 : x
  2. Step 2: Convert to fraction form
    514,382.40/772,071.60 = 248,329.60/x
  3. Step 3: Cross multiply
    514,382.40x = 772,071.60 × 248,329.60
  4. Step 4: Simplify right side
    514,382.40x = 191,728,229,203.56
  5. Step 5: Solve for x
    x = 191,728,229,203.56/514,382.40
  6. Step 6: Final answer
    x = 372,734.82

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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.