Home / 286,482.12-395,074.34-188,191.84

Finding the Fourth Proportional to 286,482.12, 395,074.34 and 188,191.84

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Solution

The fourth proportional to 286,482.12, 395,074.34 and 188,191.84 is: 259,526.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,482.12 : 395,074.34 = 188,191.84 : x
  2. Step 2: Convert to fraction form
    286,482.12/395,074.34 = 188,191.84/x
  3. Step 3: Cross multiply
    286,482.12x = 395,074.34 × 188,191.84
  4. Step 4: Simplify right side
    286,482.12x = 74,349,766,981.39
  5. Step 5: Solve for x
    x = 74,349,766,981.39/286,482.12
  6. Step 6: Final answer
    x = 259,526.73

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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.