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Finding the Fourth Proportional to 281,004.34, 421,558.52 and 88,927.14

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Solution

The fourth proportional to 281,004.34, 421,558.52 and 88,927.14 is: 133,407.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,004.34 : 421,558.52 = 88,927.14 : x
  2. Step 2: Convert to fraction form
    281,004.34/421,558.52 = 88,927.14/x
  3. Step 3: Cross multiply
    281,004.34x = 421,558.52 × 88,927.14
  4. Step 4: Simplify right side
    281,004.34x = 37,487,990,973.80
  5. Step 5: Solve for x
    x = 37,487,990,973.80/281,004.34
  6. Step 6: Final answer
    x = 133,407.16

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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.