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Finding the Fourth Proportional to 442,884.13, 611,213.93 and 251,886.13

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Solution

The fourth proportional to 442,884.13, 611,213.93 and 251,886.13 is: 347,622.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,884.13 : 611,213.93 = 251,886.13 : x
  2. Step 2: Convert to fraction form
    442,884.13/611,213.93 = 251,886.13/x
  3. Step 3: Cross multiply
    442,884.13x = 611,213.93 × 251,886.13
  4. Step 4: Simplify right side
    442,884.13x = 153,956,311,429.79
  5. Step 5: Solve for x
    x = 153,956,311,429.79/442,884.13
  6. Step 6: Final answer
    x = 347,622.10

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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.