Home / 230,297.04-345,545.64-80,644.68

Finding the Fourth Proportional to 230,297.04, 345,545.64 and 80,644.68

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Solution

The fourth proportional to 230,297.04, 345,545.64 and 80,644.68 is: 121,002.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,297.04 : 345,545.64 = 80,644.68 : x
  2. Step 2: Convert to fraction form
    230,297.04/345,545.64 = 80,644.68/x
  3. Step 3: Cross multiply
    230,297.04x = 345,545.64 × 80,644.68
  4. Step 4: Simplify right side
    230,297.04x = 27,866,417,563.20
  5. Step 5: Solve for x
    x = 27,866,417,563.20/230,297.04
  6. Step 6: Final answer
    x = 121,002.07

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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.