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Finding the Fourth Proportional to 456,739.96, 630,281.76 and 252,771.76

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Solution

The fourth proportional to 456,739.96, 630,281.76 and 252,771.76 is: 348,814.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,739.96 : 630,281.76 = 252,771.76 : x
  2. Step 2: Convert to fraction form
    456,739.96/630,281.76 = 252,771.76/x
  3. Step 3: Cross multiply
    456,739.96x = 630,281.76 × 252,771.76
  4. Step 4: Simplify right side
    456,739.96x = 159,317,429,771.10
  5. Step 5: Solve for x
    x = 159,317,429,771.10/456,739.96
  6. Step 6: Final answer
    x = 348,814.30

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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.