Home / 282,290.22-423,394.47-92,758.05

Finding the Fourth Proportional to 282,290.22, 423,394.47 and 92,758.05

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Solution

The fourth proportional to 282,290.22, 423,394.47 and 92,758.05 is: 139,123.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,290.22 : 423,394.47 = 92,758.05 : x
  2. Step 2: Convert to fraction form
    282,290.22/423,394.47 = 92,758.05/x
  3. Step 3: Cross multiply
    282,290.22x = 423,394.47 × 92,758.05
  4. Step 4: Simplify right side
    282,290.22x = 39,273,245,417.98
  5. Step 5: Solve for x
    x = 39,273,245,417.98/282,290.22
  6. Step 6: Final answer
    x = 139,123.65

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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.