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Finding the Fourth Proportional to 300,003.93, 450,006.30 and 122,510.92

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Solution

The fourth proportional to 300,003.93, 450,006.30 and 122,510.92 is: 183,766.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,003.93 : 450,006.30 = 122,510.92 : x
  2. Step 2: Convert to fraction form
    300,003.93/450,006.30 = 122,510.92/x
  3. Step 3: Cross multiply
    300,003.93x = 450,006.30 × 122,510.92
  4. Step 4: Simplify right side
    300,003.93x = 55,130,685,818.80
  5. Step 5: Solve for x
    x = 55,130,685,818.80/300,003.93
  6. Step 6: Final answer
    x = 183,766.55

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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.