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Finding the Fourth Proportional to 286,254.69, 395,016.05 and 158,922.09

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Solution

The fourth proportional to 286,254.69, 395,016.05 and 158,922.09 is: 219,303.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,254.69 : 395,016.05 = 158,922.09 : x
  2. Step 2: Convert to fraction form
    286,254.69/395,016.05 = 158,922.09/x
  3. Step 3: Cross multiply
    286,254.69x = 395,016.05 × 158,922.09
  4. Step 4: Simplify right side
    286,254.69x = 62,776,775,454.93
  5. Step 5: Solve for x
    x = 62,776,775,454.93/286,254.69
  6. Step 6: Final answer
    x = 219,303.92

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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.