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Finding the Fourth Proportional to 201,799.80, 302,699.70 and 151,280.10

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Solution

The fourth proportional to 201,799.80, 302,699.70 and 151,280.10 is: 226,920.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,799.80 : 302,699.70 = 151,280.10 : x
  2. Step 2: Convert to fraction form
    201,799.80/302,699.70 = 151,280.10/x
  3. Step 3: Cross multiply
    201,799.80x = 302,699.70 × 151,280.10
  4. Step 4: Simplify right side
    201,799.80x = 45,792,440,885.97
  5. Step 5: Solve for x
    x = 45,792,440,885.97/201,799.80
  6. Step 6: Final answer
    x = 226,920.15

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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.