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Finding the Fourth Proportional to 383,901.72, 575,311.29 and 181,281.63

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Solution

The fourth proportional to 383,901.72, 575,311.29 and 181,281.63 is: 271,666.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,901.72 : 575,311.29 = 181,281.63 : x
  2. Step 2: Convert to fraction form
    383,901.72/575,311.29 = 181,281.63/x
  3. Step 3: Cross multiply
    383,901.72x = 575,311.29 × 181,281.63
  4. Step 4: Simplify right side
    383,901.72x = 104,293,368,408.60
  5. Step 5: Solve for x
    x = 104,293,368,408.60/383,901.72
  6. Step 6: Final answer
    x = 271,666.84

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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.