Home / 292,721.91-403,945.95-165,394.77

Finding the Fourth Proportional to 292,721.91, 403,945.95 and 165,394.77

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Solution

The fourth proportional to 292,721.91, 403,945.95 and 165,394.77 is: 228,238.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,721.91 : 403,945.95 = 165,394.77 : x
  2. Step 2: Convert to fraction form
    292,721.91/403,945.95 = 165,394.77/x
  3. Step 3: Cross multiply
    292,721.91x = 403,945.95 × 165,394.77
  4. Step 4: Simplify right side
    292,721.91x = 66,810,547,492.68
  5. Step 5: Solve for x
    x = 66,810,547,492.68/292,721.91
  6. Step 6: Final answer
    x = 228,238.97

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1.5x scale

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.