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Finding the Fourth Proportional to 348,881.60, 523,322.40 and 248,830.40

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Solution

The fourth proportional to 348,881.60, 523,322.40 and 248,830.40 is: 373,245.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,881.60 : 523,322.40 = 248,830.40 : x
  2. Step 2: Convert to fraction form
    348,881.60/523,322.40 = 248,830.40/x
  3. Step 3: Cross multiply
    348,881.60x = 523,322.40 × 248,830.40
  4. Step 4: Simplify right side
    348,881.60x = 130,218,522,120.96
  5. Step 5: Solve for x
    x = 130,218,522,120.96/348,881.60
  6. Step 6: Final answer
    x = 373,245.60

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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.