Home / 246,985.70-370,478.55-89,219.30

Finding the Fourth Proportional to 246,985.70, 370,478.55 and 89,219.30

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Solution

The fourth proportional to 246,985.70, 370,478.55 and 89,219.30 is: 133,828.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,985.70 : 370,478.55 = 89,219.30 : x
  2. Step 2: Convert to fraction form
    246,985.70/370,478.55 = 89,219.30/x
  3. Step 3: Cross multiply
    246,985.70x = 370,478.55 × 89,219.30
  4. Step 4: Simplify right side
    246,985.70x = 33,053,836,896.02
  5. Step 5: Solve for x
    x = 33,053,836,896.02/246,985.70
  6. Step 6: Final answer
    x = 133,828.95

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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.