Home / 258,283.22-356,430.52-143,558.24

Finding the Fourth Proportional to 258,283.22, 356,430.52 and 143,558.24

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Solution

The fourth proportional to 258,283.22, 356,430.52 and 143,558.24 is: 198,110.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,283.22 : 356,430.52 = 143,558.24 : x
  2. Step 2: Convert to fraction form
    258,283.22/356,430.52 = 143,558.24/x
  3. Step 3: Cross multiply
    258,283.22x = 356,430.52 × 143,558.24
  4. Step 4: Simplify right side
    258,283.22x = 51,168,538,133.48
  5. Step 5: Solve for x
    x = 51,168,538,133.48/258,283.22
  6. Step 6: Final answer
    x = 198,110.19

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1.5x scale

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.