Home / 545,108.21-817,684.85-160,857.07

Finding the Fourth Proportional to 545,108.21, 817,684.85 and 160,857.07

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Solution

The fourth proportional to 545,108.21, 817,684.85 and 160,857.07 is: 241,292.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,108.21 : 817,684.85 = 160,857.07 : x
  2. Step 2: Convert to fraction form
    545,108.21/817,684.85 = 160,857.07/x
  3. Step 3: Cross multiply
    545,108.21x = 817,684.85 × 160,857.07
  4. Step 4: Simplify right side
    545,108.21x = 131,530,387,512.32
  5. Step 5: Solve for x
    x = 131,530,387,512.32/545,108.21
  6. Step 6: Final answer
    x = 241,292.25

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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.