Home / 444,430.47-666,711.27-128,846.37

Finding the Fourth Proportional to 444,430.47, 666,711.27 and 128,846.37

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Solution

The fourth proportional to 444,430.47, 666,711.27 and 128,846.37 is: 193,288.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,430.47 : 666,711.27 = 128,846.37 : x
  2. Step 2: Convert to fraction form
    444,430.47/666,711.27 = 128,846.37/x
  3. Step 3: Cross multiply
    444,430.47x = 666,711.27 × 128,846.37
  4. Step 4: Simplify right side
    444,430.47x = 85,903,326,977.59
  5. Step 5: Solve for x
    x = 85,903,326,977.59/444,430.47
  6. Step 6: Final answer
    x = 193,288.56

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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.