Home / 361,923.60-542,622.96-243,300.72

Finding the Fourth Proportional to 361,923.60, 542,622.96 and 243,300.72

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Solution

The fourth proportional to 361,923.60, 542,622.96 and 243,300.72 is: 364,774.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,923.60 : 542,622.96 = 243,300.72 : x
  2. Step 2: Convert to fraction form
    361,923.60/542,622.96 = 243,300.72/x
  3. Step 3: Cross multiply
    361,923.60x = 542,622.96 × 243,300.72
  4. Step 4: Simplify right side
    361,923.60x = 132,020,556,856.53
  5. Step 5: Solve for x
    x = 132,020,556,856.53/361,923.60
  6. Step 6: Final answer
    x = 364,774.66

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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.