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Finding the Fourth Proportional to 456,582.86, 630,337.72 and 275,340.70

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Solution

The fourth proportional to 456,582.86, 630,337.72 and 275,340.70 is: 380,122.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,582.86 : 630,337.72 = 275,340.70 : x
  2. Step 2: Convert to fraction form
    456,582.86/630,337.72 = 275,340.70/x
  3. Step 3: Cross multiply
    456,582.86x = 630,337.72 × 275,340.70
  4. Step 4: Simplify right side
    456,582.86x = 173,557,629,061.20
  5. Step 5: Solve for x
    x = 173,557,629,061.20/456,582.86
  6. Step 6: Final answer
    x = 380,122.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.