Home / 467,714.45-645,464.80-261,000.93

Finding the Fourth Proportional to 467,714.45, 645,464.80 and 261,000.93

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Solution

The fourth proportional to 467,714.45, 645,464.80 and 261,000.93 is: 360,191.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,714.45 : 645,464.80 = 261,000.93 : x
  2. Step 2: Convert to fraction form
    467,714.45/645,464.80 = 261,000.93/x
  3. Step 3: Cross multiply
    467,714.45x = 645,464.80 × 261,000.93
  4. Step 4: Simplify right side
    467,714.45x = 168,466,915,829.01
  5. Step 5: Solve for x
    x = 168,466,915,829.01/467,714.45
  6. Step 6: Final answer
    x = 360,191.81

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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.