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Finding the Fourth Proportional to 522,536.88, 783,617.12 and 180,887.46

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Solution

The fourth proportional to 522,536.88, 783,617.12 and 180,887.46 is: 271,266.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,536.88 : 783,617.12 = 180,887.46 : x
  2. Step 2: Convert to fraction form
    522,536.88/783,617.12 = 180,887.46/x
  3. Step 3: Cross multiply
    522,536.88x = 783,617.12 × 180,887.46
  4. Step 4: Simplify right side
    522,536.88x = 141,746,509,544.88
  5. Step 5: Solve for x
    x = 141,746,509,544.88/522,536.88
  6. Step 6: Final answer
    x = 271,266.04

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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.