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Finding the Fourth Proportional to 383,486.95, 574,594.71 and 233,272.81

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Solution

The fourth proportional to 383,486.95, 574,594.71 and 233,272.81 is: 349,522.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,486.95 : 574,594.71 = 233,272.81 : x
  2. Step 2: Convert to fraction form
    383,486.95/574,594.71 = 233,272.81/x
  3. Step 3: Cross multiply
    383,486.95x = 574,594.71 × 233,272.81
  4. Step 4: Simplify right side
    383,486.95x = 134,037,322,612.84
  5. Step 5: Solve for x
    x = 134,037,322,612.84/383,486.95
  6. Step 6: Final answer
    x = 349,522.51

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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.