Home / 742,655.52-1,114,042.14-210,179.88

Finding the Fourth Proportional to 742,655.52, 1,114,042.14 and 210,179.88

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Solution

The fourth proportional to 742,655.52, 1,114,042.14 and 210,179.88 is: 315,286.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,655.52 : 1,114,042.14 = 210,179.88 : x
  2. Step 2: Convert to fraction form
    742,655.52/1,114,042.14 = 210,179.88/x
  3. Step 3: Cross multiply
    742,655.52x = 1,114,042.14 × 210,179.88
  4. Step 4: Simplify right side
    742,655.52x = 234,149,243,300.14
  5. Step 5: Solve for x
    x = 234,149,243,300.14/742,655.52
  6. Step 6: Final answer
    x = 315,286.48

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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.