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Finding the Fourth Proportional to 384,883.36, 577,325.76 and 148,337.44

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Solution

The fourth proportional to 384,883.36, 577,325.76 and 148,337.44 is: 222,506.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,883.36 : 577,325.76 = 148,337.44 : x
  2. Step 2: Convert to fraction form
    384,883.36/577,325.76 = 148,337.44/x
  3. Step 3: Cross multiply
    384,883.36x = 577,325.76 × 148,337.44
  4. Step 4: Simplify right side
    384,883.36x = 85,639,025,284.45
  5. Step 5: Solve for x
    x = 85,639,025,284.45/384,883.36
  6. Step 6: Final answer
    x = 222,506.44

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1.5x scale

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.