Home / 380,737.31-570,981.39-178,270.75

Finding the Fourth Proportional to 380,737.31, 570,981.39 and 178,270.75

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Solution

The fourth proportional to 380,737.31, 570,981.39 and 178,270.75 is: 267,347.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,737.31 : 570,981.39 = 178,270.75 : x
  2. Step 2: Convert to fraction form
    380,737.31/570,981.39 = 178,270.75/x
  3. Step 3: Cross multiply
    380,737.31x = 570,981.39 × 178,270.75
  4. Step 4: Simplify right side
    380,737.31x = 101,789,280,631.34
  5. Step 5: Solve for x
    x = 101,789,280,631.34/380,737.31
  6. Step 6: Final answer
    x = 267,347.80

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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.