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Finding the Fourth Proportional to 313,126, 432,114.96 and 169,886.68

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Solution

The fourth proportional to 313,126, 432,114.96 and 169,886.68 is: 234,444.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,126 : 432,114.96 = 169,886.68 : x
  2. Step 2: Convert to fraction form
    313,126/432,114.96 = 169,886.68/x
  3. Step 3: Cross multiply
    313,126x = 432,114.96 × 169,886.68
  4. Step 4: Simplify right side
    313,126x = 73,410,575,932.73
  5. Step 5: Solve for x
    x = 73,410,575,932.73/313,126
  6. Step 6: Final answer
    x = 234,444.20

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.