Home / 487,150.20-730,708.83-171,598.86

Finding the Fourth Proportional to 487,150.20, 730,708.83 and 171,598.86

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Solution

The fourth proportional to 487,150.20, 730,708.83 and 171,598.86 is: 257,392.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,150.20 : 730,708.83 = 171,598.86 : x
  2. Step 2: Convert to fraction form
    487,150.20/730,708.83 = 171,598.86/x
  3. Step 3: Cross multiply
    487,150.20x = 730,708.83 × 171,598.86
  4. Step 4: Simplify right side
    487,150.20x = 125,388,802,219.93
  5. Step 5: Solve for x
    x = 125,388,802,219.93/487,150.20
  6. Step 6: Final answer
    x = 257,392.49

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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.