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Finding the Fourth Proportional to 202,726.70, 279,461.69 and 173,907.51

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Solution

The fourth proportional to 202,726.70, 279,461.69 and 173,907.51 is: 239,734.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,726.70 : 279,461.69 = 173,907.51 : x
  2. Step 2: Convert to fraction form
    202,726.70/279,461.69 = 173,907.51/x
  3. Step 3: Cross multiply
    202,726.70x = 279,461.69 × 173,907.51
  4. Step 4: Simplify right side
    202,726.70x = 48,600,486,361.16
  5. Step 5: Solve for x
    x = 48,600,486,361.16/202,726.70
  6. Step 6: Final answer
    x = 239,734.02

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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.