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Finding the Fourth Proportional to 535,257.57, 802,887.71 and 180,520.77

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Solution

The fourth proportional to 535,257.57, 802,887.71 and 180,520.77 is: 270,781.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,257.57 : 802,887.71 = 180,520.77 : x
  2. Step 2: Convert to fraction form
    535,257.57/802,887.71 = 180,520.77/x
  3. Step 3: Cross multiply
    535,257.57x = 802,887.71 × 180,520.77
  4. Step 4: Simplify right side
    535,257.57x = 144,937,906,730.13
  5. Step 5: Solve for x
    x = 144,937,906,730.13/535,257.57
  6. Step 6: Final answer
    x = 270,781.61

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1.5x scale

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.