Home / 378,048.10-567,053.31-141,373.38

Finding the Fourth Proportional to 378,048.10, 567,053.31 and 141,373.38

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Solution

The fourth proportional to 378,048.10, 567,053.31 and 141,373.38 is: 212,053.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,048.10 : 567,053.31 = 141,373.38 : x
  2. Step 2: Convert to fraction form
    378,048.10/567,053.31 = 141,373.38/x
  3. Step 3: Cross multiply
    378,048.10x = 567,053.31 × 141,373.38
  4. Step 4: Simplify right side
    378,048.10x = 80,166,243,074.89
  5. Step 5: Solve for x
    x = 80,166,243,074.89/378,048.10
  6. Step 6: Final answer
    x = 212,053.02

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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.