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Finding the Fourth Proportional to 275,122.40, 412,683.60 and 237,068.60

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Solution

The fourth proportional to 275,122.40, 412,683.60 and 237,068.60 is: 355,602.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,122.40 : 412,683.60 = 237,068.60 : x
  2. Step 2: Convert to fraction form
    275,122.40/412,683.60 = 237,068.60/x
  3. Step 3: Cross multiply
    275,122.40x = 412,683.60 × 237,068.60
  4. Step 4: Simplify right side
    275,122.40x = 97,834,323,294.96
  5. Step 5: Solve for x
    x = 97,834,323,294.96/275,122.40
  6. Step 6: Final answer
    x = 355,602.90

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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.