Home / 351,286.40-484,774.68-190,141.28

Finding the Fourth Proportional to 351,286.40, 484,774.68 and 190,141.28

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Solution

The fourth proportional to 351,286.40, 484,774.68 and 190,141.28 is: 262,394.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,286.40 : 484,774.68 = 190,141.28 : x
  2. Step 2: Convert to fraction form
    351,286.40/484,774.68 = 190,141.28/x
  3. Step 3: Cross multiply
    351,286.40x = 484,774.68 × 190,141.28
  4. Step 4: Simplify right side
    351,286.40x = 92,175,678,166.79
  5. Step 5: Solve for x
    x = 92,175,678,166.79/351,286.40
  6. Step 6: Final answer
    x = 262,394.67

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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.