Home / 361,931.10-542,961.45-151,590.30

Finding the Fourth Proportional to 361,931.10, 542,961.45 and 151,590.30

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Solution

The fourth proportional to 361,931.10, 542,961.45 and 151,590.30 is: 227,412.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,931.10 : 542,961.45 = 151,590.30 : x
  2. Step 2: Convert to fraction form
    361,931.10/542,961.45 = 151,590.30/x
  3. Step 3: Cross multiply
    361,931.10x = 542,961.45 × 151,590.30
  4. Step 4: Simplify right side
    361,931.10x = 82,307,689,093.94
  5. Step 5: Solve for x
    x = 82,307,689,093.94/361,931.10
  6. Step 6: Final answer
    x = 227,412.59

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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.