Home / 246,020.20-369,030.30-79,808.20

Finding the Fourth Proportional to 246,020.20, 369,030.30 and 79,808.20

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Solution

The fourth proportional to 246,020.20, 369,030.30 and 79,808.20 is: 119,712.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,020.20 : 369,030.30 = 79,808.20 : x
  2. Step 2: Convert to fraction form
    246,020.20/369,030.30 = 79,808.20/x
  3. Step 3: Cross multiply
    246,020.20x = 369,030.30 × 79,808.20
  4. Step 4: Simplify right side
    246,020.20x = 29,451,643,988.46
  5. Step 5: Solve for x
    x = 29,451,643,988.46/246,020.20
  6. Step 6: Final answer
    x = 119,712.30

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1.5x scale

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.