Home / 328,402.36-492,788.08-178,653.13

Finding the Fourth Proportional to 328,402.36, 492,788.08 and 178,653.13

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Solution

The fourth proportional to 328,402.36, 492,788.08 and 178,653.13 is: 268,080.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,402.36 : 492,788.08 = 178,653.13 : x
  2. Step 2: Convert to fraction form
    328,402.36/492,788.08 = 178,653.13/x
  3. Step 3: Cross multiply
    328,402.36x = 492,788.08 × 178,653.13
  4. Step 4: Simplify right side
    328,402.36x = 88,038,132,918.69
  5. Step 5: Solve for x
    x = 88,038,132,918.69/328,402.36
  6. Step 6: Final answer
    x = 268,080.09

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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.