Home / 291,276.20-401,865.02-237,468.70

Finding the Fourth Proportional to 291,276.20, 401,865.02 and 237,468.70

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Solution

The fourth proportional to 291,276.20, 401,865.02 and 237,468.70 is: 327,628.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,276.20 : 401,865.02 = 237,468.70 : x
  2. Step 2: Convert to fraction form
    291,276.20/401,865.02 = 237,468.70/x
  3. Step 3: Cross multiply
    291,276.20x = 401,865.02 × 237,468.70
  4. Step 4: Simplify right side
    291,276.20x = 95,430,363,874.87
  5. Step 5: Solve for x
    x = 95,430,363,874.87/291,276.20
  6. Step 6: Final answer
    x = 327,628.43

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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.