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Finding the Fourth Proportional to 207,892.77, 286,965.75 and 123,009.63

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Solution

The fourth proportional to 207,892.77, 286,965.75 and 123,009.63 is: 169,796.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,892.77 : 286,965.75 = 123,009.63 : x
  2. Step 2: Convert to fraction form
    207,892.77/286,965.75 = 123,009.63/x
  3. Step 3: Cross multiply
    207,892.77x = 286,965.75 × 123,009.63
  4. Step 4: Simplify right side
    207,892.77x = 35,299,549,295.34
  5. Step 5: Solve for x
    x = 35,299,549,295.34/207,892.77
  6. Step 6: Final answer
    x = 169,796.91

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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.