Home / 290,860.22-401,252.37-170,006.60

Finding the Fourth Proportional to 290,860.22, 401,252.37 and 170,006.60

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Solution

The fourth proportional to 290,860.22, 401,252.37 and 170,006.60 is: 234,530.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,860.22 : 401,252.37 = 170,006.60 : x
  2. Step 2: Convert to fraction form
    290,860.22/401,252.37 = 170,006.60/x
  3. Step 3: Cross multiply
    290,860.22x = 401,252.37 × 170,006.60
  4. Step 4: Simplify right side
    290,860.22x = 68,215,549,159.38
  5. Step 5: Solve for x
    x = 68,215,549,159.38/290,860.22
  6. Step 6: Final answer
    x = 234,530.35

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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.