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Finding the Fourth Proportional to 202,457.68, 279,391.59 and 117,580.21

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Solution

The fourth proportional to 202,457.68, 279,391.59 and 117,580.21 is: 162,260.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,457.68 : 279,391.59 = 117,580.21 : x
  2. Step 2: Convert to fraction form
    202,457.68/279,391.59 = 117,580.21/x
  3. Step 3: Cross multiply
    202,457.68x = 279,391.59 × 117,580.21
  4. Step 4: Simplify right side
    202,457.68x = 32,850,921,125.95
  5. Step 5: Solve for x
    x = 32,850,921,125.95/202,457.68
  6. Step 6: Final answer
    x = 162,260.68

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