Home / 487,943.09-731,732.58-168,004.56

Finding the Fourth Proportional to 487,943.09, 731,732.58 and 168,004.56

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Solution

The fourth proportional to 487,943.09, 731,732.58 and 168,004.56 is: 251,944.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,943.09 : 731,732.58 = 168,004.56 : x
  2. Step 2: Convert to fraction form
    487,943.09/731,732.58 = 168,004.56/x
  3. Step 3: Cross multiply
    487,943.09x = 731,732.58 × 168,004.56
  4. Step 4: Simplify right side
    487,943.09x = 122,934,410,140.57
  5. Step 5: Solve for x
    x = 122,934,410,140.57/487,943.09
  6. Step 6: Final answer
    x = 251,944.16

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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.