Home / 206,971.40-310,457.10-151,202.90

Finding the Fourth Proportional to 206,971.40, 310,457.10 and 151,202.90

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Solution

The fourth proportional to 206,971.40, 310,457.10 and 151,202.90 is: 226,804.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,971.40 : 310,457.10 = 151,202.90 : x
  2. Step 2: Convert to fraction form
    206,971.40/310,457.10 = 151,202.90/x
  3. Step 3: Cross multiply
    206,971.40x = 310,457.10 × 151,202.90
  4. Step 4: Simplify right side
    206,971.40x = 46,942,013,845.59
  5. Step 5: Solve for x
    x = 46,942,013,845.59/206,971.40
  6. Step 6: Final answer
    x = 226,804.35

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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.