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Finding the Fourth Proportional to 365,277.60, 547,916.40 and 276,704.10

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Solution

The fourth proportional to 365,277.60, 547,916.40 and 276,704.10 is: 415,056.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,277.60 : 547,916.40 = 276,704.10 : x
  2. Step 2: Convert to fraction form
    365,277.60/547,916.40 = 276,704.10/x
  3. Step 3: Cross multiply
    365,277.60x = 547,916.40 × 276,704.10
  4. Step 4: Simplify right side
    365,277.60x = 151,610,714,337.24
  5. Step 5: Solve for x
    x = 151,610,714,337.24/365,277.60
  6. Step 6: Final answer
    x = 415,056.15

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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.