Home / 259,435.40-357,979.68-146,236.28

Finding the Fourth Proportional to 259,435.40, 357,979.68 and 146,236.28

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Solution

The fourth proportional to 259,435.40, 357,979.68 and 146,236.28 is: 201,782.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,435.40 : 357,979.68 = 146,236.28 : x
  2. Step 2: Convert to fraction form
    259,435.40/357,979.68 = 146,236.28/x
  3. Step 3: Cross multiply
    259,435.40x = 357,979.68 × 146,236.28
  4. Step 4: Simplify right side
    259,435.40x = 52,349,616,718.79
  5. Step 5: Solve for x
    x = 52,349,616,718.79/259,435.40
  6. Step 6: Final answer
    x = 201,782.86

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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.