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Finding the Fourth Proportional to 300,870.51, 451,373.87 and 101,185.40

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Solution

The fourth proportional to 300,870.51, 451,373.87 and 101,185.40 is: 151,801.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,870.51 : 451,373.87 = 101,185.40 : x
  2. Step 2: Convert to fraction form
    300,870.51/451,373.87 = 101,185.40/x
  3. Step 3: Cross multiply
    300,870.51x = 451,373.87 × 101,185.40
  4. Step 4: Simplify right side
    300,870.51x = 45,672,445,079.57
  5. Step 5: Solve for x
    x = 45,672,445,079.57/300,870.51
  6. Step 6: Final answer
    x = 151,801.01

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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.