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Finding the Fourth Proportional to 365,832.60, 549,915.30 and 344,837.40

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Solution

The fourth proportional to 365,832.60, 549,915.30 and 344,837.40 is: 518,355.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,832.60 : 549,915.30 = 344,837.40 : x
  2. Step 2: Convert to fraction form
    365,832.60/549,915.30 = 344,837.40/x
  3. Step 3: Cross multiply
    365,832.60x = 549,915.30 × 344,837.40
  4. Step 4: Simplify right side
    365,832.60x = 189,631,362,272.22
  5. Step 5: Solve for x
    x = 189,631,362,272.22/365,832.60
  6. Step 6: Final answer
    x = 518,355.56

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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.