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Finding the Fourth Proportional to 367,045.60, 550,568.40 and 328,554.40

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Solution

The fourth proportional to 367,045.60, 550,568.40 and 328,554.40 is: 492,831.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,045.60 : 550,568.40 = 328,554.40 : x
  2. Step 2: Convert to fraction form
    367,045.60/550,568.40 = 328,554.40/x
  3. Step 3: Cross multiply
    367,045.60x = 550,568.40 × 328,554.40
  4. Step 4: Simplify right side
    367,045.60x = 180,891,670,320.96
  5. Step 5: Solve for x
    x = 180,891,670,320.96/367,045.60
  6. Step 6: Final answer
    x = 492,831.60

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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.