Home / 383,977.93-575,901.25-103,429.57

Finding the Fourth Proportional to 383,977.93, 575,901.25 and 103,429.57

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Solution

The fourth proportional to 383,977.93, 575,901.25 and 103,429.57 is: 155,126.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,977.93 : 575,901.25 = 103,429.57 : x
  2. Step 2: Convert to fraction form
    383,977.93/575,901.25 = 103,429.57/x
  3. Step 3: Cross multiply
    383,977.93x = 575,901.25 × 103,429.57
  4. Step 4: Simplify right side
    383,977.93x = 59,565,218,649.96
  5. Step 5: Solve for x
    x = 59,565,218,649.96/383,977.93
  6. Step 6: Final answer
    x = 155,126.67

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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.