Home / 286,346.03-395,146.70-159,029.82

Finding the Fourth Proportional to 286,346.03, 395,146.70 and 159,029.82

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Solution

The fourth proportional to 286,346.03, 395,146.70 and 159,029.82 is: 219,455.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,346.03 : 395,146.70 = 159,029.82 : x
  2. Step 2: Convert to fraction form
    286,346.03/395,146.70 = 159,029.82/x
  3. Step 3: Cross multiply
    286,346.03x = 395,146.70 × 159,029.82
  4. Step 4: Simplify right side
    286,346.03x = 62,840,107,779.44
  5. Step 5: Solve for x
    x = 62,840,107,779.44/286,346.03
  6. Step 6: Final answer
    x = 219,455.14

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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.