Home / 258,832.31-357,133.67-163,283.63

Finding the Fourth Proportional to 258,832.31, 357,133.67 and 163,283.63

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Solution

The fourth proportional to 258,832.31, 357,133.67 and 163,283.63 is: 225,296.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,832.31 : 357,133.67 = 163,283.63 : x
  2. Step 2: Convert to fraction form
    258,832.31/357,133.67 = 163,283.63/x
  3. Step 3: Cross multiply
    258,832.31x = 357,133.67 × 163,283.63
  4. Step 4: Simplify right side
    258,832.31x = 58,314,080,961.52
  5. Step 5: Solve for x
    x = 58,314,080,961.52/258,832.31
  6. Step 6: Final answer
    x = 225,296.76

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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.