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Finding the Fourth Proportional to 383,869.60, 575,804.40 and 363,133.60

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Solution

The fourth proportional to 383,869.60, 575,804.40 and 363,133.60 is: 544,700.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,869.60 : 575,804.40 = 363,133.60 : x
  2. Step 2: Convert to fraction form
    383,869.60/575,804.40 = 363,133.60/x
  3. Step 3: Cross multiply
    383,869.60x = 575,804.40 × 363,133.60
  4. Step 4: Simplify right side
    383,869.60x = 209,093,924,667.84
  5. Step 5: Solve for x
    x = 209,093,924,667.84/383,869.60
  6. Step 6: Final answer
    x = 544,700.40

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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.