Home / 383,914.10-575,624.40-159,429.44

Finding the Fourth Proportional to 383,914.10, 575,624.40 and 159,429.44

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Solution

The fourth proportional to 383,914.10, 575,624.40 and 159,429.44 is: 239,041.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,914.10 : 575,624.40 = 159,429.44 : x
  2. Step 2: Convert to fraction form
    383,914.10/575,624.40 = 159,429.44/x
  3. Step 3: Cross multiply
    383,914.10x = 575,624.40 × 159,429.44
  4. Step 4: Simplify right side
    383,914.10x = 91,771,475,742.34
  5. Step 5: Solve for x
    x = 91,771,475,742.34/383,914.10
  6. Step 6: Final answer
    x = 239,041.69

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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.