Home / 418,212.12-627,095.84-165,482.40

Finding the Fourth Proportional to 418,212.12, 627,095.84 and 165,482.40

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Solution

The fourth proportional to 418,212.12, 627,095.84 and 165,482.40 is: 248,135.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,212.12 : 627,095.84 = 165,482.40 : x
  2. Step 2: Convert to fraction form
    418,212.12/627,095.84 = 165,482.40/x
  3. Step 3: Cross multiply
    418,212.12x = 627,095.84 × 165,482.40
  4. Step 4: Simplify right side
    418,212.12x = 103,773,324,633.22
  5. Step 5: Solve for x
    x = 103,773,324,633.22/418,212.12
  6. Step 6: Final answer
    x = 248,135.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.