Home / 198,154.41-297,056.65-151,615.05

Finding the Fourth Proportional to 198,154.41, 297,056.65 and 151,615.05

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Solution

The fourth proportional to 198,154.41, 297,056.65 and 151,615.05 is: 227,288.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,154.41 : 297,056.65 = 151,615.05 : x
  2. Step 2: Convert to fraction form
    198,154.41/297,056.65 = 151,615.05/x
  3. Step 3: Cross multiply
    198,154.41x = 297,056.65 × 151,615.05
  4. Step 4: Simplify right side
    198,154.41x = 45,038,257,349.58
  5. Step 5: Solve for x
    x = 45,038,257,349.58/198,154.41
  6. Step 6: Final answer
    x = 227,288.70

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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.