Home / 286,488.26-395,330.63-165,637.30

Finding the Fourth Proportional to 286,488.26, 395,330.63 and 165,637.30

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Solution

The fourth proportional to 286,488.26, 395,330.63 and 165,637.30 is: 228,566.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,488.26 : 395,330.63 = 165,637.30 : x
  2. Step 2: Convert to fraction form
    286,488.26/395,330.63 = 165,637.30/x
  3. Step 3: Cross multiply
    286,488.26x = 395,330.63 × 165,637.30
  4. Step 4: Simplify right side
    286,488.26x = 65,481,498,160.50
  5. Step 5: Solve for x
    x = 65,481,498,160.50/286,488.26
  6. Step 6: Final answer
    x = 228,566.08

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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.