Home / 288,724.48-433,161.47-89,040.46

Finding the Fourth Proportional to 288,724.48, 433,161.47 and 89,040.46

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Solution

The fourth proportional to 288,724.48, 433,161.47 and 89,040.46 is: 133,583.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,724.48 : 433,161.47 = 89,040.46 : x
  2. Step 2: Convert to fraction form
    288,724.48/433,161.47 = 89,040.46/x
  3. Step 3: Cross multiply
    288,724.48x = 433,161.47 × 89,040.46
  4. Step 4: Simplify right side
    288,724.48x = 38,568,896,097.87
  5. Step 5: Solve for x
    x = 38,568,896,097.87/288,724.48
  6. Step 6: Final answer
    x = 133,583.74

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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.