Home / 228,032.28-314,796.78-143,196.12

Finding the Fourth Proportional to 228,032.28, 314,796.78 and 143,196.12

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Solution

The fourth proportional to 228,032.28, 314,796.78 and 143,196.12 is: 197,681.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,032.28 : 314,796.78 = 143,196.12 : x
  2. Step 2: Convert to fraction form
    228,032.28/314,796.78 = 143,196.12/x
  3. Step 3: Cross multiply
    228,032.28x = 314,796.78 × 143,196.12
  4. Step 4: Simplify right side
    228,032.28x = 45,077,677,484.49
  5. Step 5: Solve for x
    x = 45,077,677,484.49/228,032.28
  6. Step 6: Final answer
    x = 197,681.12

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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.