Home / 294,501.29-406,428.84-221,773.95

Finding the Fourth Proportional to 294,501.29, 406,428.84 and 221,773.95

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Solution

The fourth proportional to 294,501.29, 406,428.84 and 221,773.95 is: 306,060.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,501.29 : 406,428.84 = 221,773.95 : x
  2. Step 2: Convert to fraction form
    294,501.29/406,428.84 = 221,773.95/x
  3. Step 3: Cross multiply
    294,501.29x = 406,428.84 × 221,773.95
  4. Step 4: Simplify right side
    294,501.29x = 90,135,329,240.72
  5. Step 5: Solve for x
    x = 90,135,329,240.72/294,501.29
  6. Step 6: Final answer
    x = 306,060.90

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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.