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Finding the Fourth Proportional to 286,336.10, 395,162.10 and 159,011.69

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Solution

The fourth proportional to 286,336.10, 395,162.10 and 159,011.69 is: 219,446.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,336.10 : 395,162.10 = 159,011.69 : x
  2. Step 2: Convert to fraction form
    286,336.10/395,162.10 = 159,011.69/x
  3. Step 3: Cross multiply
    286,336.10x = 395,162.10 × 159,011.69
  4. Step 4: Simplify right side
    286,336.10x = 62,835,393,344.95
  5. Step 5: Solve for x
    x = 62,835,393,344.95/286,336.10
  6. Step 6: Final answer
    x = 219,446.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.