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Finding the Fourth Proportional to 383,480.10, 575,220.15 and 103,025.70

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Solution

The fourth proportional to 383,480.10, 575,220.15 and 103,025.70 is: 154,538.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,480.10 : 575,220.15 = 103,025.70 : x
  2. Step 2: Convert to fraction form
    383,480.10/575,220.15 = 103,025.70/x
  3. Step 3: Cross multiply
    383,480.10x = 575,220.15 × 103,025.70
  4. Step 4: Simplify right side
    383,480.10x = 59,262,458,607.86
  5. Step 5: Solve for x
    x = 59,262,458,607.86/383,480.10
  6. Step 6: Final answer
    x = 154,538.55

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1.5x scale

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.