Home / 292,605.38-403,828.29-165,289.17

Finding the Fourth Proportional to 292,605.38, 403,828.29 and 165,289.17

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Solution

The fourth proportional to 292,605.38, 403,828.29 and 165,289.17 is: 228,117.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,605.38 : 403,828.29 = 165,289.17 : x
  2. Step 2: Convert to fraction form
    292,605.38/403,828.29 = 165,289.17/x
  3. Step 3: Cross multiply
    292,605.38x = 403,828.29 × 165,289.17
  4. Step 4: Simplify right side
    292,605.38x = 66,748,442,876.62
  5. Step 5: Solve for x
    x = 66,748,442,876.62/292,605.38
  6. Step 6: Final answer
    x = 228,117.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.