Home / 290,962.16-401,523.90-163,637.75

Finding the Fourth Proportional to 290,962.16, 401,523.90 and 163,637.75

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Solution

The fourth proportional to 290,962.16, 401,523.90 and 163,637.75 is: 225,817.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,962.16 : 401,523.90 = 163,637.75 : x
  2. Step 2: Convert to fraction form
    290,962.16/401,523.90 = 163,637.75/x
  3. Step 3: Cross multiply
    290,962.16x = 401,523.90 × 163,637.75
  4. Step 4: Simplify right side
    290,962.16x = 65,704,465,559.61
  5. Step 5: Solve for x
    x = 65,704,465,559.61/290,962.16
  6. Step 6: Final answer
    x = 225,817.91

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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.