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Finding the Fourth Proportional to 202,450.96, 279,201.54 and 130,755.52

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Solution

The fourth proportional to 202,450.96, 279,201.54 and 130,755.52 is: 180,325.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,450.96 : 279,201.54 = 130,755.52 : x
  2. Step 2: Convert to fraction form
    202,450.96/279,201.54 = 130,755.52/x
  3. Step 3: Cross multiply
    202,450.96x = 279,201.54 × 130,755.52
  4. Step 4: Simplify right side
    202,450.96x = 36,507,142,547.50
  5. Step 5: Solve for x
    x = 36,507,142,547.50/202,450.96
  6. Step 6: Final answer
    x = 180,325.86

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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.