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Finding the Fourth Proportional to 202,266.86, 279,008.01 and 130,689.09

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Solution

The fourth proportional to 202,266.86, 279,008.01 and 130,689.09 is: 180,273.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,266.86 : 279,008.01 = 130,689.09 : x
  2. Step 2: Convert to fraction form
    202,266.86/279,008.01 = 130,689.09/x
  3. Step 3: Cross multiply
    202,266.86x = 279,008.01 × 130,689.09
  4. Step 4: Simplify right side
    202,266.86x = 36,463,302,929.61
  5. Step 5: Solve for x
    x = 36,463,302,929.61/202,266.86
  6. Step 6: Final answer
    x = 180,273.25

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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.