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Finding the Fourth Proportional to 456,657.89, 630,172.41 and 252,717.44

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Solution

The fourth proportional to 456,657.89, 630,172.41 and 252,717.44 is: 348,741.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,657.89 : 630,172.41 = 252,717.44 : x
  2. Step 2: Convert to fraction form
    456,657.89/630,172.41 = 252,717.44/x
  3. Step 3: Cross multiply
    456,657.89x = 630,172.41 × 252,717.44
  4. Step 4: Simplify right side
    456,657.89x = 159,255,558,213.83
  5. Step 5: Solve for x
    x = 159,255,558,213.83/456,657.89
  6. Step 6: Final answer
    x = 348,741.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.