Home / 290,962.53-401,524.43-163,638.12

Finding the Fourth Proportional to 290,962.53, 401,524.43 and 163,638.12

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Solution

The fourth proportional to 290,962.53, 401,524.43 and 163,638.12 is: 225,818.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,962.53 : 401,524.43 = 163,638.12 : x
  2. Step 2: Convert to fraction form
    290,962.53/401,524.43 = 163,638.12/x
  3. Step 3: Cross multiply
    290,962.53x = 401,524.43 × 163,638.12
  4. Step 4: Simplify right side
    290,962.53x = 65,704,702,041.08
  5. Step 5: Solve for x
    x = 65,704,702,041.08/290,962.53
  6. Step 6: Final answer
    x = 225,818.43

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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.