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Finding the Fourth Proportional to 370,743.96, 555,742 and 146,017.56

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Solution

The fourth proportional to 370,743.96, 555,742 and 146,017.56 is: 218,879.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,743.96 : 555,742 = 146,017.56 : x
  2. Step 2: Convert to fraction form
    370,743.96/555,742 = 146,017.56/x
  3. Step 3: Cross multiply
    370,743.96x = 555,742 × 146,017.56
  4. Step 4: Simplify right side
    370,743.96x = 81,148,090,829.52
  5. Step 5: Solve for x
    x = 81,148,090,829.52/370,743.96
  6. Step 6: Final answer
    x = 218,879.06

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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.