Home / 259,858.51-358,581.41-145,121.24

Finding the Fourth Proportional to 259,858.51, 358,581.41 and 145,121.24

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Solution

The fourth proportional to 259,858.51, 358,581.41 and 145,121.24 is: 200,254.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,858.51 : 358,581.41 = 145,121.24 : x
  2. Step 2: Convert to fraction form
    259,858.51/358,581.41 = 145,121.24/x
  3. Step 3: Cross multiply
    259,858.51x = 358,581.41 × 145,121.24
  4. Step 4: Simplify right side
    259,858.51x = 52,037,778,374.49
  5. Step 5: Solve for x
    x = 52,037,778,374.49/259,858.51
  6. Step 6: Final answer
    x = 200,254.28

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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.