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Finding the Fourth Proportional to 247,265.37, 370,801.02 and 87,307.20

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Solution

The fourth proportional to 247,265.37, 370,801.02 and 87,307.20 is: 130,926.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,265.37 : 370,801.02 = 87,307.20 : x
  2. Step 2: Convert to fraction form
    247,265.37/370,801.02 = 87,307.20/x
  3. Step 3: Cross multiply
    247,265.37x = 370,801.02 × 87,307.20
  4. Step 4: Simplify right side
    247,265.37x = 32,373,598,813.34
  5. Step 5: Solve for x
    x = 32,373,598,813.34/247,265.37
  6. Step 6: Final answer
    x = 130,926.54

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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.