Home / 268,914.94-403,368.77-91,545.60

Finding the Fourth Proportional to 268,914.94, 403,368.77 and 91,545.60

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Solution

The fourth proportional to 268,914.94, 403,368.77 and 91,545.60 is: 137,317.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,914.94 : 403,368.77 = 91,545.60 : x
  2. Step 2: Convert to fraction form
    268,914.94/403,368.77 = 91,545.60/x
  3. Step 3: Cross multiply
    268,914.94x = 403,368.77 × 91,545.60
  4. Step 4: Simplify right side
    268,914.94x = 36,926,633,596.34
  5. Step 5: Solve for x
    x = 36,926,633,596.34/268,914.94
  6. Step 6: Final answer
    x = 137,317.15

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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.