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Finding the Fourth Proportional to 384,025.40, 576,038.10 and 162,409.40

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Solution

The fourth proportional to 384,025.40, 576,038.10 and 162,409.40 is: 243,614.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,025.40 : 576,038.10 = 162,409.40 : x
  2. Step 2: Convert to fraction form
    384,025.40/576,038.10 = 162,409.40/x
  3. Step 3: Cross multiply
    384,025.40x = 576,038.10 × 162,409.40
  4. Step 4: Simplify right side
    384,025.40x = 93,554,002,198.14
  5. Step 5: Solve for x
    x = 93,554,002,198.14/384,025.40
  6. Step 6: Final answer
    x = 243,614.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.