Home / 228,008.49-314,608.41-143,087.28

Finding the Fourth Proportional to 228,008.49, 314,608.41 and 143,087.28

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Solution

The fourth proportional to 228,008.49, 314,608.41 and 143,087.28 is: 197,433.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,008.49 : 314,608.41 = 143,087.28 : x
  2. Step 2: Convert to fraction form
    228,008.49/314,608.41 = 143,087.28/x
  3. Step 3: Cross multiply
    228,008.49x = 314,608.41 × 143,087.28
  4. Step 4: Simplify right side
    228,008.49x = 45,016,461,652.02
  5. Step 5: Solve for x
    x = 45,016,461,652.02/228,008.49
  6. Step 6: Final answer
    x = 197,433.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.