Home / 402,078.03-602,939.90-188,906.53

Finding the Fourth Proportional to 402,078.03, 602,939.90 and 188,906.53

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Solution

The fourth proportional to 402,078.03, 602,939.90 and 188,906.53 is: 283,276.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,078.03 : 602,939.90 = 188,906.53 : x
  2. Step 2: Convert to fraction form
    402,078.03/602,939.90 = 188,906.53/x
  3. Step 3: Cross multiply
    402,078.03x = 602,939.90 × 188,906.53
  4. Step 4: Simplify right side
    402,078.03x = 113,899,284,402.98
  5. Step 5: Solve for x
    x = 113,899,284,402.98/402,078.03
  6. Step 6: Final answer
    x = 283,276.57

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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.