Home / 328,093.20-490,827.60-284,207.40

Finding the Fourth Proportional to 328,093.20, 490,827.60 and 284,207.40

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Solution

The fourth proportional to 328,093.20, 490,827.60 and 284,207.40 is: 425,174.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,093.20 : 490,827.60 = 284,207.40 : x
  2. Step 2: Convert to fraction form
    328,093.20/490,827.60 = 284,207.40/x
  3. Step 3: Cross multiply
    328,093.20x = 490,827.60 × 284,207.40
  4. Step 4: Simplify right side
    328,093.20x = 139,496,836,044.24
  5. Step 5: Solve for x
    x = 139,496,836,044.24/328,093.20
  6. Step 6: Final answer
    x = 425,174.42

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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.