Home / 545,140-817,717.36-171,163.04

Finding the Fourth Proportional to 545,140, 817,717.36 and 171,163.04

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Solution

The fourth proportional to 545,140, 817,717.36 and 171,163.04 is: 256,746.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,140 : 817,717.36 = 171,163.04 : x
  2. Step 2: Convert to fraction form
    545,140/817,717.36 = 171,163.04/x
  3. Step 3: Cross multiply
    545,140x = 817,717.36 × 171,163.04
  4. Step 4: Simplify right side
    545,140x = 139,962,989,198.37
  5. Step 5: Solve for x
    x = 139,962,989,198.37/545,140
  6. Step 6: Final answer
    x = 256,746.87

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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.