Home / 240,429.18-360,676.58-100,155

Finding the Fourth Proportional to 240,429.18, 360,676.58 and 100,155

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Solution

The fourth proportional to 240,429.18, 360,676.58 and 100,155 is: 150,246.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,429.18 : 360,676.58 = 100,155 : x
  2. Step 2: Convert to fraction form
    240,429.18/360,676.58 = 100,155/x
  3. Step 3: Cross multiply
    240,429.18x = 360,676.58 × 100,155
  4. Step 4: Simplify right side
    240,429.18x = 36,123,562,369.13
  5. Step 5: Solve for x
    x = 36,123,562,369.13/240,429.18
  6. Step 6: Final answer
    x = 150,246.17

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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.