Home / 328,167.10-492,214.20-268,899.40

Finding the Fourth Proportional to 328,167.10, 492,214.20 and 268,899.40

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Solution

The fourth proportional to 328,167.10, 492,214.20 and 268,899.40 is: 403,319.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,167.10 : 492,214.20 = 268,899.40 : x
  2. Step 2: Convert to fraction form
    328,167.10/492,214.20 = 268,899.40/x
  3. Step 3: Cross multiply
    328,167.10x = 492,214.20 × 268,899.40
  4. Step 4: Simplify right side
    328,167.10x = 132,356,103,051.48
  5. Step 5: Solve for x
    x = 132,356,103,051.48/328,167.10
  6. Step 6: Final answer
    x = 403,319.23

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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.