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Finding the Fourth Proportional to 286,364.66, 396,039.53 and 250,492.33

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Solution

The fourth proportional to 286,364.66, 396,039.53 and 250,492.33 is: 346,428.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,364.66 : 396,039.53 = 250,492.33 : x
  2. Step 2: Convert to fraction form
    286,364.66/396,039.53 = 250,492.33/x
  3. Step 3: Cross multiply
    286,364.66x = 396,039.53 × 250,492.33
  4. Step 4: Simplify right side
    286,364.66x = 99,204,861,409.15
  5. Step 5: Solve for x
    x = 99,204,861,409.15/286,364.66
  6. Step 6: Final answer
    x = 346,428.44

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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.