Home / 321,581.34-482,670.09-163,928.22

Finding the Fourth Proportional to 321,581.34, 482,670.09 and 163,928.22

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Solution

The fourth proportional to 321,581.34, 482,670.09 and 163,928.22 is: 246,044.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,581.34 : 482,670.09 = 163,928.22 : x
  2. Step 2: Convert to fraction form
    321,581.34/482,670.09 = 163,928.22/x
  3. Step 3: Cross multiply
    321,581.34x = 482,670.09 × 163,928.22
  4. Step 4: Simplify right side
    321,581.34x = 79,123,248,700.94
  5. Step 5: Solve for x
    x = 79,123,248,700.94/321,581.34
  6. Step 6: Final answer
    x = 246,044.28

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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.