Home / 282,289.82-423,435.32-198,425.25

Finding the Fourth Proportional to 282,289.82, 423,435.32 and 198,425.25

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Solution

The fourth proportional to 282,289.82, 423,435.32 and 198,425.25 is: 297,638.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,289.82 : 423,435.32 = 198,425.25 : x
  2. Step 2: Convert to fraction form
    282,289.82/423,435.32 = 198,425.25/x
  3. Step 3: Cross multiply
    282,289.82x = 423,435.32 × 198,425.25
  4. Step 4: Simplify right side
    282,289.82x = 84,020,258,237.70
  5. Step 5: Solve for x
    x = 84,020,258,237.70/282,289.82
  6. Step 6: Final answer
    x = 297,638.29

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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.