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Finding the Fourth Proportional to 240,009.66, 331,199.61 and 143,322.63

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Solution

The fourth proportional to 240,009.66, 331,199.61 and 143,322.63 is: 197,777.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,009.66 : 331,199.61 = 143,322.63 : x
  2. Step 2: Convert to fraction form
    240,009.66/331,199.61 = 143,322.63/x
  3. Step 3: Cross multiply
    240,009.66x = 331,199.61 × 143,322.63
  4. Step 4: Simplify right side
    240,009.66x = 47,468,399,160.17
  5. Step 5: Solve for x
    x = 47,468,399,160.17/240,009.66
  6. Step 6: Final answer
    x = 197,777.04

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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.