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Finding the Fourth Proportional to 364,198.72, 546,315.36 and 176,987.20

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Solution

The fourth proportional to 364,198.72, 546,315.36 and 176,987.20 is: 265,489.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,198.72 : 546,315.36 = 176,987.20 : x
  2. Step 2: Convert to fraction form
    364,198.72/546,315.36 = 176,987.20/x
  3. Step 3: Cross multiply
    364,198.72x = 546,315.36 × 176,987.20
  4. Step 4: Simplify right side
    364,198.72x = 96,690,825,883.39
  5. Step 5: Solve for x
    x = 96,690,825,883.39/364,198.72
  6. Step 6: Final answer
    x = 265,489.20

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1.5x scale

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.