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Finding the Fourth Proportional to 295,292.54, 443,009.21 and 95,613

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Solution

The fourth proportional to 295,292.54, 443,009.21 and 95,613 is: 143,442.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,292.54 : 443,009.21 = 95,613 : x
  2. Step 2: Convert to fraction form
    295,292.54/443,009.21 = 95,613/x
  3. Step 3: Cross multiply
    295,292.54x = 443,009.21 × 95,613
  4. Step 4: Simplify right side
    295,292.54x = 42,357,439,117.67
  5. Step 5: Solve for x
    x = 42,357,439,117.67/295,292.54
  6. Step 6: Final answer
    x = 143,442.30

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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.