Home / 321,288.48-443,386.08-178,050.24

Finding the Fourth Proportional to 321,288.48, 443,386.08 and 178,050.24

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Solution

The fourth proportional to 321,288.48, 443,386.08 and 178,050.24 is: 245,713.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,288.48 : 443,386.08 = 178,050.24 : x
  2. Step 2: Convert to fraction form
    321,288.48/443,386.08 = 178,050.24/x
  3. Step 3: Cross multiply
    321,288.48x = 443,386.08 × 178,050.24
  4. Step 4: Simplify right side
    321,288.48x = 78,944,997,956.66
  5. Step 5: Solve for x
    x = 78,944,997,956.66/321,288.48
  6. Step 6: Final answer
    x = 245,713.75

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1.5x scale

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.