Home / 286,259.08-395,008.66-158,920.84

Finding the Fourth Proportional to 286,259.08, 395,008.66 and 158,920.84

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Solution

The fourth proportional to 286,259.08, 395,008.66 and 158,920.84 is: 219,294.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,259.08 : 395,008.66 = 158,920.84 : x
  2. Step 2: Convert to fraction form
    286,259.08/395,008.66 = 158,920.84/x
  3. Step 3: Cross multiply
    286,259.08x = 395,008.66 × 158,920.84
  4. Step 4: Simplify right side
    286,259.08x = 62,775,108,054.47
  5. Step 5: Solve for x
    x = 62,775,108,054.47/286,259.08
  6. Step 6: Final answer
    x = 219,294.73

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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.