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Finding the Fourth Proportional to 496,752.60, 744,618.60 and 243,643.80

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Solution

The fourth proportional to 496,752.60, 744,618.60 and 243,643.80 is: 365,215.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,752.60 : 744,618.60 = 243,643.80 : x
  2. Step 2: Convert to fraction form
    496,752.60/744,618.60 = 243,643.80/x
  3. Step 3: Cross multiply
    496,752.60x = 744,618.60 × 243,643.80
  4. Step 4: Simplify right side
    496,752.60x = 181,421,705,254.68
  5. Step 5: Solve for x
    x = 181,421,705,254.68/496,752.60
  6. Step 6: Final answer
    x = 365,215.41

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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.