Home / 246,905.30-370,370.10-128,807.30

Finding the Fourth Proportional to 246,905.30, 370,370.10 and 128,807.30

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Solution

The fourth proportional to 246,905.30, 370,370.10 and 128,807.30 is: 193,217.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,905.30 : 370,370.10 = 128,807.30 : x
  2. Step 2: Convert to fraction form
    246,905.30/370,370.10 = 128,807.30/x
  3. Step 3: Cross multiply
    246,905.30x = 370,370.10 × 128,807.30
  4. Step 4: Simplify right side
    246,905.30x = 47,706,372,581.73
  5. Step 5: Solve for x
    x = 47,706,372,581.73/246,905.30
  6. Step 6: Final answer
    x = 193,217.29

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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.