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Finding the Fourth Proportional to 201,120.48, 301,807.80 and 112,432.23

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Solution

The fourth proportional to 201,120.48, 301,807.80 and 112,432.23 is: 168,719.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,120.48 : 301,807.80 = 112,432.23 : x
  2. Step 2: Convert to fraction form
    201,120.48/301,807.80 = 112,432.23/x
  3. Step 3: Cross multiply
    201,120.48x = 301,807.80 × 112,432.23
  4. Step 4: Simplify right side
    201,120.48x = 33,932,923,985.39
  5. Step 5: Solve for x
    x = 33,932,923,985.39/201,120.48
  6. Step 6: Final answer
    x = 168,719.39

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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.