Home / 259,731.24-358,434.71-143,444.35

Finding the Fourth Proportional to 259,731.24, 358,434.71 and 143,444.35

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Solution

The fourth proportional to 259,731.24, 358,434.71 and 143,444.35 is: 197,956.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,731.24 : 358,434.71 = 143,444.35 : x
  2. Step 2: Convert to fraction form
    259,731.24/358,434.71 = 143,444.35/x
  3. Step 3: Cross multiply
    259,731.24x = 358,434.71 × 143,444.35
  4. Step 4: Simplify right side
    259,731.24x = 51,415,433,993.39
  5. Step 5: Solve for x
    x = 51,415,433,993.39/259,731.24
  6. Step 6: Final answer
    x = 197,956.30

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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.