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Finding the Fourth Proportional to 248,364.56, 370,743.70 and 229,861.52

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Solution

The fourth proportional to 248,364.56, 370,743.70 and 229,861.52 is: 343,123.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,364.56 : 370,743.70 = 229,861.52 : x
  2. Step 2: Convert to fraction form
    248,364.56/370,743.70 = 229,861.52/x
  3. Step 3: Cross multiply
    248,364.56x = 370,743.70 × 229,861.52
  4. Step 4: Simplify right side
    248,364.56x = 85,219,710,412.42
  5. Step 5: Solve for x
    x = 85,219,710,412.42/248,364.56
  6. Step 6: Final answer
    x = 343,123.47

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.