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Finding the Fourth Proportional to 273,494.64, 410,317.29 and 95,978.28

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Solution

The fourth proportional to 273,494.64, 410,317.29 and 95,978.28 is: 143,993.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,494.64 : 410,317.29 = 95,978.28 : x
  2. Step 2: Convert to fraction form
    273,494.64/410,317.29 = 95,978.28/x
  3. Step 3: Cross multiply
    273,494.64x = 410,317.29 × 95,978.28
  4. Step 4: Simplify right side
    273,494.64x = 39,381,547,748.46
  5. Step 5: Solve for x
    x = 39,381,547,748.46/273,494.64
  6. Step 6: Final answer
    x = 143,993.86

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1.5x scale

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.