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Finding the Fourth Proportional to 380,014.94, 524,412.53 and 207,932.21

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Solution

The fourth proportional to 380,014.94, 524,412.53 and 207,932.21 is: 286,942.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,014.94 : 524,412.53 = 207,932.21 : x
  2. Step 2: Convert to fraction form
    380,014.94/524,412.53 = 207,932.21/x
  3. Step 3: Cross multiply
    380,014.94x = 524,412.53 × 207,932.21
  4. Step 4: Simplify right side
    380,014.94x = 109,042,258,348.98
  5. Step 5: Solve for x
    x = 109,042,258,348.98/380,014.94
  6. Step 6: Final answer
    x = 286,942.03

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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.