Home / 585,172.02-878,011.56-206,363.40

Finding the Fourth Proportional to 585,172.02, 878,011.56 and 206,363.40

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Solution

The fourth proportional to 585,172.02, 878,011.56 and 206,363.40 is: 309,634.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,172.02 : 878,011.56 = 206,363.40 : x
  2. Step 2: Convert to fraction form
    585,172.02/878,011.56 = 206,363.40/x
  3. Step 3: Cross multiply
    585,172.02x = 878,011.56 × 206,363.40
  4. Step 4: Simplify right side
    585,172.02x = 181,189,450,760.90
  5. Step 5: Solve for x
    x = 181,189,450,760.90/585,172.02
  6. Step 6: Final answer
    x = 309,634.51

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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.