Home / 331,519.67-497,275.84-198,437.07

Finding the Fourth Proportional to 331,519.67, 497,275.84 and 198,437.07

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Solution

The fourth proportional to 331,519.67, 497,275.84 and 198,437.07 is: 297,653.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,519.67 : 497,275.84 = 198,437.07 : x
  2. Step 2: Convert to fraction form
    331,519.67/497,275.84 = 198,437.07/x
  3. Step 3: Cross multiply
    331,519.67x = 497,275.84 × 198,437.07
  4. Step 4: Simplify right side
    331,519.67x = 98,677,960,671.39
  5. Step 5: Solve for x
    x = 98,677,960,671.39/331,519.67
  6. Step 6: Final answer
    x = 297,653.41

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1.5x scale

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.