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Finding the Fourth Proportional to 203,020.97, 304,360.16 and 127,975.65

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Solution

The fourth proportional to 203,020.97, 304,360.16 and 127,975.65 is: 191,855.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,020.97 : 304,360.16 = 127,975.65 : x
  2. Step 2: Convert to fraction form
    203,020.97/304,360.16 = 127,975.65/x
  3. Step 3: Cross multiply
    203,020.97x = 304,360.16 × 127,975.65
  4. Step 4: Simplify right side
    203,020.97x = 38,950,688,670.23
  5. Step 5: Solve for x
    x = 38,950,688,670.23/203,020.97
  6. Step 6: Final answer
    x = 191,855.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.