Home / 328,234.20-492,351.30-302,573.40

Finding the Fourth Proportional to 328,234.20, 492,351.30 and 302,573.40

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Solution

The fourth proportional to 328,234.20, 492,351.30 and 302,573.40 is: 453,860.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,234.20 : 492,351.30 = 302,573.40 : x
  2. Step 2: Convert to fraction form
    328,234.20/492,351.30 = 302,573.40/x
  3. Step 3: Cross multiply
    328,234.20x = 492,351.30 × 302,573.40
  4. Step 4: Simplify right side
    328,234.20x = 148,972,406,835.42
  5. Step 5: Solve for x
    x = 148,972,406,835.42/328,234.20
  6. Step 6: Final answer
    x = 453,860.10

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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.