Home / 199,631.60-299,447.40-164,202.20

Finding the Fourth Proportional to 199,631.60, 299,447.40 and 164,202.20

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Solution

The fourth proportional to 199,631.60, 299,447.40 and 164,202.20 is: 246,303.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,631.60 : 299,447.40 = 164,202.20 : x
  2. Step 2: Convert to fraction form
    199,631.60/299,447.40 = 164,202.20/x
  3. Step 3: Cross multiply
    199,631.60x = 299,447.40 × 164,202.20
  4. Step 4: Simplify right side
    199,631.60x = 49,169,921,864.28
  5. Step 5: Solve for x
    x = 49,169,921,864.28/199,631.60
  6. Step 6: Final answer
    x = 246,303.30

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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.