Home / 340,864.80-511,295.04-104,206.56

Finding the Fourth Proportional to 340,864.80, 511,295.04 and 104,206.56

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Solution

The fourth proportional to 340,864.80, 511,295.04 and 104,206.56 is: 156,309.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,864.80 : 511,295.04 = 104,206.56 : x
  2. Step 2: Convert to fraction form
    340,864.80/511,295.04 = 104,206.56/x
  3. Step 3: Cross multiply
    340,864.80x = 511,295.04 × 104,206.56
  4. Step 4: Simplify right side
    340,864.80x = 53,280,297,263.46
  5. Step 5: Solve for x
    x = 53,280,297,263.46/340,864.80
  6. Step 6: Final answer
    x = 156,309.18

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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.