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Finding the Fourth Proportional to 243,419.78, 365,125.73 and 93,692.60

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Solution

The fourth proportional to 243,419.78, 365,125.73 and 93,692.60 is: 140,537.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,419.78 : 365,125.73 = 93,692.60 : x
  2. Step 2: Convert to fraction form
    243,419.78/365,125.73 = 93,692.60/x
  3. Step 3: Cross multiply
    243,419.78x = 365,125.73 × 93,692.60
  4. Step 4: Simplify right side
    243,419.78x = 34,209,578,045.73
  5. Step 5: Solve for x
    x = 34,209,578,045.73/243,419.78
  6. Step 6: Final answer
    x = 140,537.38

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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.