Home / 256,973.49-354,628.13-143,795.97

Finding the Fourth Proportional to 256,973.49, 354,628.13 and 143,795.97

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Solution

The fourth proportional to 256,973.49, 354,628.13 and 143,795.97 is: 198,441.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,973.49 : 354,628.13 = 143,795.97 : x
  2. Step 2: Convert to fraction form
    256,973.49/354,628.13 = 143,795.97/x
  3. Step 3: Cross multiply
    256,973.49x = 354,628.13 × 143,795.97
  4. Step 4: Simplify right side
    256,973.49x = 50,994,095,223.66
  5. Step 5: Solve for x
    x = 50,994,095,223.66/256,973.49
  6. Step 6: Final answer
    x = 198,441.07

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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.