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Finding the Fourth Proportional to 440,099.96, 607,347.60 and 268,026

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Solution

The fourth proportional to 440,099.96, 607,347.60 and 268,026 is: 369,881.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,099.96 : 607,347.60 = 268,026 : x
  2. Step 2: Convert to fraction form
    440,099.96/607,347.60 = 268,026/x
  3. Step 3: Cross multiply
    440,099.96x = 607,347.60 × 268,026
  4. Step 4: Simplify right side
    440,099.96x = 162,784,947,837.60
  5. Step 5: Solve for x
    x = 162,784,947,837.60/440,099.96
  6. Step 6: Final answer
    x = 369,881.76

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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.