Home / 258,010.08-356,062.94-143,290.64

Finding the Fourth Proportional to 258,010.08, 356,062.94 and 143,290.64

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Solution

The fourth proportional to 258,010.08, 356,062.94 and 143,290.64 is: 197,746.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,010.08 : 356,062.94 = 143,290.64 : x
  2. Step 2: Convert to fraction form
    258,010.08/356,062.94 = 143,290.64/x
  3. Step 3: Cross multiply
    258,010.08x = 356,062.94 × 143,290.64
  4. Step 4: Simplify right side
    258,010.08x = 51,020,484,056.11
  5. Step 5: Solve for x
    x = 51,020,484,056.11/258,010.08
  6. Step 6: Final answer
    x = 197,746.09

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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.