Home / 321,001.50-481,322.16-219,913.74

Finding the Fourth Proportional to 321,001.50, 481,322.16 and 219,913.74

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Solution

The fourth proportional to 321,001.50, 481,322.16 and 219,913.74 is: 329,747.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,001.50 : 481,322.16 = 219,913.74 : x
  2. Step 2: Convert to fraction form
    321,001.50/481,322.16 = 219,913.74/x
  3. Step 3: Cross multiply
    321,001.50x = 481,322.16 × 219,913.74
  4. Step 4: Simplify right side
    321,001.50x = 105,849,356,350.48
  5. Step 5: Solve for x
    x = 105,849,356,350.48/321,001.50
  6. Step 6: Final answer
    x = 329,747.23

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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.