Home / 259,000.47-357,406.78-142,710.33

Finding the Fourth Proportional to 259,000.47, 357,406.78 and 142,710.33

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Solution

The fourth proportional to 259,000.47, 357,406.78 and 142,710.33 is: 196,932.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,000.47 : 357,406.78 = 142,710.33 : x
  2. Step 2: Convert to fraction form
    259,000.47/357,406.78 = 142,710.33/x
  3. Step 3: Cross multiply
    259,000.47x = 357,406.78 × 142,710.33
  4. Step 4: Simplify right side
    259,000.47x = 51,005,639,518.04
  5. Step 5: Solve for x
    x = 51,005,639,518.04/259,000.47
  6. Step 6: Final answer
    x = 196,932.61

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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.