Home / 229,420.56-316,715.49-143,427.33

Finding the Fourth Proportional to 229,420.56, 316,715.49 and 143,427.33

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Solution

The fourth proportional to 229,420.56, 316,715.49 and 143,427.33 is: 198,001.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,420.56 : 316,715.49 = 143,427.33 : x
  2. Step 2: Convert to fraction form
    229,420.56/316,715.49 = 143,427.33/x
  3. Step 3: Cross multiply
    229,420.56x = 316,715.49 × 143,427.33
  4. Step 4: Simplify right side
    229,420.56x = 45,425,657,100.34
  5. Step 5: Solve for x
    x = 45,425,657,100.34/229,420.56
  6. Step 6: Final answer
    x = 198,001.68

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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.