Home / 445,529.01-668,072.42-141,883.59

Finding the Fourth Proportional to 445,529.01, 668,072.42 and 141,883.59

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Solution

The fourth proportional to 445,529.01, 668,072.42 and 141,883.59 is: 212,754.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,529.01 : 668,072.42 = 141,883.59 : x
  2. Step 2: Convert to fraction form
    445,529.01/668,072.42 = 141,883.59/x
  3. Step 3: Cross multiply
    445,529.01x = 668,072.42 × 141,883.59
  4. Step 4: Simplify right side
    445,529.01x = 94,788,513,329.59
  5. Step 5: Solve for x
    x = 94,788,513,329.59/445,529.01
  6. Step 6: Final answer
    x = 212,754.97

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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.