Home / 383,539.10-575,308.34-103,056.35

Finding the Fourth Proportional to 383,539.10, 575,308.34 and 103,056.35

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Solution

The fourth proportional to 383,539.10, 575,308.34 and 103,056.35 is: 154,584.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,539.10 : 575,308.34 = 103,056.35 : x
  2. Step 2: Convert to fraction form
    383,539.10/575,308.34 = 103,056.35/x
  3. Step 3: Cross multiply
    383,539.10x = 575,308.34 × 103,056.35
  4. Step 4: Simplify right side
    383,539.10x = 59,289,174,253.14
  5. Step 5: Solve for x
    x = 59,289,174,253.14/383,539.10
  6. Step 6: Final answer
    x = 154,584.43

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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.