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Finding the Fourth Proportional to 540,101.87, 745,334.97 and 298,368.66

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Solution

The fourth proportional to 540,101.87, 745,334.97 and 298,368.66 is: 411,745.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,101.87 : 745,334.97 = 298,368.66 : x
  2. Step 2: Convert to fraction form
    540,101.87/745,334.97 = 298,368.66/x
  3. Step 3: Cross multiply
    540,101.87x = 745,334.97 × 298,368.66
  4. Step 4: Simplify right side
    540,101.87x = 222,384,597,926.16
  5. Step 5: Solve for x
    x = 222,384,597,926.16/540,101.87
  6. Step 6: Final answer
    x = 411,745.66

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1.5x scale

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.