Home / 321,975.30-482,502.15-223,364.10

Finding the Fourth Proportional to 321,975.30, 482,502.15 and 223,364.10

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Solution

The fourth proportional to 321,975.30, 482,502.15 and 223,364.10 is: 334,726.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,975.30 : 482,502.15 = 223,364.10 : x
  2. Step 2: Convert to fraction form
    321,975.30/482,502.15 = 223,364.10/x
  3. Step 3: Cross multiply
    321,975.30x = 482,502.15 × 223,364.10
  4. Step 4: Simplify right side
    321,975.30x = 107,773,658,482.82
  5. Step 5: Solve for x
    x = 107,773,658,482.82/321,975.30
  6. Step 6: Final answer
    x = 334,726.48

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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.