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Finding the Fourth Proportional to 383,352.60, 575,028.90 and 173,400.60

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Solution

The fourth proportional to 383,352.60, 575,028.90 and 173,400.60 is: 260,100.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,352.60 : 575,028.90 = 173,400.60 : x
  2. Step 2: Convert to fraction form
    383,352.60/575,028.90 = 173,400.60/x
  3. Step 3: Cross multiply
    383,352.60x = 575,028.90 × 173,400.60
  4. Step 4: Simplify right side
    383,352.60x = 99,710,356,277.34
  5. Step 5: Solve for x
    x = 99,710,356,277.34/383,352.60
  6. Step 6: Final answer
    x = 260,100.90

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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.