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Finding the Fourth Proportional to 271,411.60, 407,117.40 and 243,855.40

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Solution

The fourth proportional to 271,411.60, 407,117.40 and 243,855.40 is: 365,783.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,411.60 : 407,117.40 = 243,855.40 : x
  2. Step 2: Convert to fraction form
    271,411.60/407,117.40 = 243,855.40/x
  3. Step 3: Cross multiply
    271,411.60x = 407,117.40 × 243,855.40
  4. Step 4: Simplify right side
    271,411.60x = 99,277,776,423.96
  5. Step 5: Solve for x
    x = 99,277,776,423.96/271,411.60
  6. Step 6: Final answer
    x = 365,783.10

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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.