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Finding the Fourth Proportional to 201,146.01, 301,719 and 51,386.62

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Solution

The fourth proportional to 201,146.01, 301,719 and 51,386.62 is: 77,079.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,146.01 : 301,719 = 51,386.62 : x
  2. Step 2: Convert to fraction form
    201,146.01/301,719 = 51,386.62/x
  3. Step 3: Cross multiply
    201,146.01x = 301,719 × 51,386.62
  4. Step 4: Simplify right side
    201,146.01x = 15,504,319,599.78
  5. Step 5: Solve for x
    x = 15,504,319,599.78/201,146.01
  6. Step 6: Final answer
    x = 77,079.93

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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.