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Finding the Fourth Proportional to 442,624.41, 610,821.71 and 251,637.80

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Solution

The fourth proportional to 442,624.41, 610,821.71 and 251,637.80 is: 347,260.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,624.41 : 610,821.71 = 251,637.80 : x
  2. Step 2: Convert to fraction form
    442,624.41/610,821.71 = 251,637.80/x
  3. Step 3: Cross multiply
    442,624.41x = 610,821.71 × 251,637.80
  4. Step 4: Simplify right side
    442,624.41x = 153,705,826,984.34
  5. Step 5: Solve for x
    x = 153,705,826,984.34/442,624.41
  6. Step 6: Final answer
    x = 347,260.17

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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.