Home / 361,271.12-498,554.08-200,136.64

Finding the Fourth Proportional to 361,271.12, 498,554.08 and 200,136.64

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Solution

The fourth proportional to 361,271.12, 498,554.08 and 200,136.64 is: 276,188.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,271.12 : 498,554.08 = 200,136.64 : x
  2. Step 2: Convert to fraction form
    361,271.12/498,554.08 = 200,136.64/x
  3. Step 3: Cross multiply
    361,271.12x = 498,554.08 × 200,136.64
  4. Step 4: Simplify right side
    361,271.12x = 99,778,938,429.49
  5. Step 5: Solve for x
    x = 99,778,938,429.49/361,271.12
  6. Step 6: Final answer
    x = 276,188.53

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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.