Home / 440,830.80-661,246.20-230,533.20

Finding the Fourth Proportional to 440,830.80, 661,246.20 and 230,533.20

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Solution

The fourth proportional to 440,830.80, 661,246.20 and 230,533.20 is: 345,799.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,830.80 : 661,246.20 = 230,533.20 : x
  2. Step 2: Convert to fraction form
    440,830.80/661,246.20 = 230,533.20/x
  3. Step 3: Cross multiply
    440,830.80x = 661,246.20 × 230,533.20
  4. Step 4: Simplify right side
    440,830.80x = 152,439,202,473.84
  5. Step 5: Solve for x
    x = 152,439,202,473.84/440,830.80
  6. Step 6: Final answer
    x = 345,799.80

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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.