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Finding the Fourth Proportional to 248,156.44, 342,574.86 and 152,744.92

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Solution

The fourth proportional to 248,156.44, 342,574.86 and 152,744.92 is: 210,861.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,156.44 : 342,574.86 = 152,744.92 : x
  2. Step 2: Convert to fraction form
    248,156.44/342,574.86 = 152,744.92/x
  3. Step 3: Cross multiply
    248,156.44x = 342,574.86 × 152,744.92
  4. Step 4: Simplify right side
    248,156.44x = 52,326,569,584.71
  5. Step 5: Solve for x
    x = 52,326,569,584.71/248,156.44
  6. Step 6: Final answer
    x = 210,861.22

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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.