Home / 290,962.32-401,467.82-170,080.22

Finding the Fourth Proportional to 290,962.32, 401,467.82 and 170,080.22

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Solution

The fourth proportional to 290,962.32, 401,467.82 and 170,080.22 is: 234,675.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,962.32 : 401,467.82 = 170,080.22 : x
  2. Step 2: Convert to fraction form
    290,962.32/401,467.82 = 170,080.22/x
  3. Step 3: Cross multiply
    290,962.32x = 401,467.82 × 170,080.22
  4. Step 4: Simplify right side
    290,962.32x = 68,281,732,290.78
  5. Step 5: Solve for x
    x = 68,281,732,290.78/290,962.32
  6. Step 6: Final answer
    x = 234,675.51

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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.