Home / 268,762.23-403,205.76-91,269.45

Finding the Fourth Proportional to 268,762.23, 403,205.76 and 91,269.45

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Solution

The fourth proportional to 268,762.23, 403,205.76 and 91,269.45 is: 136,925.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,762.23 : 403,205.76 = 91,269.45 : x
  2. Step 2: Convert to fraction form
    268,762.23/403,205.76 = 91,269.45/x
  3. Step 3: Cross multiply
    268,762.23x = 403,205.76 × 91,269.45
  4. Step 4: Simplify right side
    268,762.23x = 36,800,367,952.03
  5. Step 5: Solve for x
    x = 36,800,367,952.03/268,762.23
  6. Step 6: Final answer
    x = 136,925.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.