Home / 356,705.48-492,253.40-195,557.06

Finding the Fourth Proportional to 356,705.48, 492,253.40 and 195,557.06

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Solution

The fourth proportional to 356,705.48, 492,253.40 and 195,557.06 is: 269,868.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,705.48 : 492,253.40 = 195,557.06 : x
  2. Step 2: Convert to fraction form
    356,705.48/492,253.40 = 195,557.06/x
  3. Step 3: Cross multiply
    356,705.48x = 492,253.40 × 195,557.06
  4. Step 4: Simplify right side
    356,705.48x = 96,263,624,239.95
  5. Step 5: Solve for x
    x = 96,263,624,239.95/356,705.48
  6. Step 6: Final answer
    x = 269,868.65

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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.