Home / 487,731.49-731,667.34-150,798.42

Finding the Fourth Proportional to 487,731.49, 731,667.34 and 150,798.42

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Solution

The fourth proportional to 487,731.49, 731,667.34 and 150,798.42 is: 226,219.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,731.49 : 731,667.34 = 150,798.42 : x
  2. Step 2: Convert to fraction form
    487,731.49/731,667.34 = 150,798.42/x
  3. Step 3: Cross multiply
    487,731.49x = 731,667.34 × 150,798.42
  4. Step 4: Simplify right side
    487,731.49x = 110,334,278,837.60
  5. Step 5: Solve for x
    x = 110,334,278,837.60/487,731.49
  6. Step 6: Final answer
    x = 226,219.31

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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.