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Finding the Fourth Proportional to 270,095.07, 372,729.02 and 149,235.87

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Solution

The fourth proportional to 270,095.07, 372,729.02 and 149,235.87 is: 205,944.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,095.07 : 372,729.02 = 149,235.87 : x
  2. Step 2: Convert to fraction form
    270,095.07/372,729.02 = 149,235.87/x
  3. Step 3: Cross multiply
    270,095.07x = 372,729.02 × 149,235.87
  4. Step 4: Simplify right side
    270,095.07x = 55,624,538,827.77
  5. Step 5: Solve for x
    x = 55,624,538,827.77/270,095.07
  6. Step 6: Final answer
    x = 205,944.30

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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.