Home / 426,260.73-639,493.27-141,953.74

Finding the Fourth Proportional to 426,260.73, 639,493.27 and 141,953.74

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Solution

The fourth proportional to 426,260.73, 639,493.27 and 141,953.74 is: 212,964.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,260.73 : 639,493.27 = 141,953.74 : x
  2. Step 2: Convert to fraction form
    426,260.73/639,493.27 = 141,953.74/x
  3. Step 3: Cross multiply
    426,260.73x = 639,493.27 × 141,953.74
  4. Step 4: Simplify right side
    426,260.73x = 90,778,461,381.33
  5. Step 5: Solve for x
    x = 90,778,461,381.33/426,260.73
  6. Step 6: Final answer
    x = 212,964.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.