Home / 290,961.43-401,466.56-170,079.32

Finding the Fourth Proportional to 290,961.43, 401,466.56 and 170,079.32

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Solution

The fourth proportional to 290,961.43, 401,466.56 and 170,079.32 is: 234,674.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,961.43 : 401,466.56 = 170,079.32 : x
  2. Step 2: Convert to fraction form
    290,961.43/401,466.56 = 170,079.32/x
  3. Step 3: Cross multiply
    290,961.43x = 401,466.56 × 170,079.32
  4. Step 4: Simplify right side
    290,961.43x = 68,281,159,680.81
  5. Step 5: Solve for x
    x = 68,281,159,680.81/290,961.43
  6. Step 6: Final answer
    x = 234,674.27

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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.