Home / 487,427.05-731,072.93-150,478.80

Finding the Fourth Proportional to 487,427.05, 731,072.93 and 150,478.80

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Solution

The fourth proportional to 487,427.05, 731,072.93 and 150,478.80 is: 225,697.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,427.05 : 731,072.93 = 150,478.80 : x
  2. Step 2: Convert to fraction form
    487,427.05/731,072.93 = 150,478.80/x
  3. Step 3: Cross multiply
    487,427.05x = 731,072.93 × 150,478.80
  4. Step 4: Simplify right side
    487,427.05x = 110,010,973,724.97
  5. Step 5: Solve for x
    x = 110,010,973,724.97/487,427.05
  6. Step 6: Final answer
    x = 225,697.31

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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.