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Finding the Fourth Proportional to 442,685.94, 610,905.33 and 241,480.50

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Solution

The fourth proportional to 442,685.94, 610,905.33 and 241,480.50 is: 333,242.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,685.94 : 610,905.33 = 241,480.50 : x
  2. Step 2: Convert to fraction form
    442,685.94/610,905.33 = 241,480.50/x
  3. Step 3: Cross multiply
    442,685.94x = 610,905.33 × 241,480.50
  4. Step 4: Simplify right side
    442,685.94x = 147,521,724,541.07
  5. Step 5: Solve for x
    x = 147,521,724,541.07/442,685.94
  6. Step 6: Final answer
    x = 333,242.40

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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.