Home / 328,670.10-492,717.15-223,146.90

Finding the Fourth Proportional to 328,670.10, 492,717.15 and 223,146.90

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Solution

The fourth proportional to 328,670.10, 492,717.15 and 223,146.90 is: 334,524.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,670.10 : 492,717.15 = 223,146.90 : x
  2. Step 2: Convert to fraction form
    328,670.10/492,717.15 = 223,146.90/x
  3. Step 3: Cross multiply
    328,670.10x = 492,717.15 × 223,146.90
  4. Step 4: Simplify right side
    328,670.10x = 109,948,304,599.34
  5. Step 5: Solve for x
    x = 109,948,304,599.34/328,670.10
  6. Step 6: Final answer
    x = 334,524.82

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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.