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Finding the Fourth Proportional to 270,945, 373,890.60 and 148,437.84

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Solution

The fourth proportional to 270,945, 373,890.60 and 148,437.84 is: 204,836.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,945 : 373,890.60 = 148,437.84 : x
  2. Step 2: Convert to fraction form
    270,945/373,890.60 = 148,437.84/x
  3. Step 3: Cross multiply
    270,945x = 373,890.60 × 148,437.84
  4. Step 4: Simplify right side
    270,945x = 55,499,513,060.30
  5. Step 5: Solve for x
    x = 55,499,513,060.30/270,945
  6. Step 6: Final answer
    x = 204,836.82

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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.