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Finding the Fourth Proportional to 163,215.40, 244,823.10 and 151,405.60

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Solution

The fourth proportional to 163,215.40, 244,823.10 and 151,405.60 is: 227,108.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,215.40 : 244,823.10 = 151,405.60 : x
  2. Step 2: Convert to fraction form
    163,215.40/244,823.10 = 151,405.60/x
  3. Step 3: Cross multiply
    163,215.40x = 244,823.10 × 151,405.60
  4. Step 4: Simplify right side
    163,215.40x = 37,067,588,349.36
  5. Step 5: Solve for x
    x = 37,067,588,349.36/163,215.40
  6. Step 6: Final answer
    x = 227,108.40

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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.