Home / 302,427.40-453,641.10-196,139.20

Finding the Fourth Proportional to 302,427.40, 453,641.10 and 196,139.20

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Solution

The fourth proportional to 302,427.40, 453,641.10 and 196,139.20 is: 294,208.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,427.40 : 453,641.10 = 196,139.20 : x
  2. Step 2: Convert to fraction form
    302,427.40/453,641.10 = 196,139.20/x
  3. Step 3: Cross multiply
    302,427.40x = 453,641.10 × 196,139.20
  4. Step 4: Simplify right side
    302,427.40x = 88,976,802,441.12
  5. Step 5: Solve for x
    x = 88,976,802,441.12/302,427.40
  6. Step 6: Final answer
    x = 294,208.80

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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.