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Finding the Fourth Proportional to 374,607.50, 561,911.80 and 152,991.50

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Solution

The fourth proportional to 374,607.50, 561,911.80 and 152,991.50 is: 229,487.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,607.50 : 561,911.80 = 152,991.50 : x
  2. Step 2: Convert to fraction form
    374,607.50/561,911.80 = 152,991.50/x
  3. Step 3: Cross multiply
    374,607.50x = 561,911.80 × 152,991.50
  4. Step 4: Simplify right side
    374,607.50x = 85,967,729,149.70
  5. Step 5: Solve for x
    x = 85,967,729,149.70/374,607.50
  6. Step 6: Final answer
    x = 229,487.47

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.