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Finding the Fourth Proportional to 292,441.17, 403,568.88 and 158,305.17

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Solution

The fourth proportional to 292,441.17, 403,568.88 and 158,305.17 is: 218,461.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,441.17 : 403,568.88 = 158,305.17 : x
  2. Step 2: Convert to fraction form
    292,441.17/403,568.88 = 158,305.17/x
  3. Step 3: Cross multiply
    292,441.17x = 403,568.88 × 158,305.17
  4. Step 4: Simplify right side
    292,441.17x = 63,887,040,155.11
  5. Step 5: Solve for x
    x = 63,887,040,155.11/292,441.17
  6. Step 6: Final answer
    x = 218,461.17

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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.