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Finding the Fourth Proportional to 380,685.84, 570,851.48 and 170,325.52

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Solution

The fourth proportional to 380,685.84, 570,851.48 and 170,325.52 is: 255,408.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,685.84 : 570,851.48 = 170,325.52 : x
  2. Step 2: Convert to fraction form
    380,685.84/570,851.48 = 170,325.52/x
  3. Step 3: Cross multiply
    380,685.84x = 570,851.48 × 170,325.52
  4. Step 4: Simplify right side
    380,685.84x = 97,230,575,173.77
  5. Step 5: Solve for x
    x = 97,230,575,173.77/380,685.84
  6. Step 6: Final answer
    x = 255,408.96

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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.