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Finding the Fourth Proportional to 479,600.40, 661,848.68 and 264,740.60

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Solution

The fourth proportional to 479,600.40, 661,848.68 and 264,740.60 is: 365,342.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,600.40 : 661,848.68 = 264,740.60 : x
  2. Step 2: Convert to fraction form
    479,600.40/661,848.68 = 264,740.60/x
  3. Step 3: Cross multiply
    479,600.40x = 661,848.68 × 264,740.60
  4. Step 4: Simplify right side
    479,600.40x = 175,218,216,652.41
  5. Step 5: Solve for x
    x = 175,218,216,652.41/479,600.40
  6. Step 6: Final answer
    x = 365,342.10

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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.