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Finding the Fourth Proportional to 356,703.66, 492,250.90 and 195,555.25

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Solution

The fourth proportional to 356,703.66, 492,250.90 and 195,555.25 is: 269,866.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,703.66 : 492,250.90 = 195,555.25 : x
  2. Step 2: Convert to fraction form
    356,703.66/492,250.90 = 195,555.25/x
  3. Step 3: Cross multiply
    356,703.66x = 492,250.90 × 195,555.25
  4. Step 4: Simplify right side
    356,703.66x = 96,262,247,812.23
  5. Step 5: Solve for x
    x = 96,262,247,812.23/356,703.66
  6. Step 6: Final answer
    x = 269,866.16

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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.