Home / 302,043.40-452,546.70-196,808.20

Finding the Fourth Proportional to 302,043.40, 452,546.70 and 196,808.20

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Solution

The fourth proportional to 302,043.40, 452,546.70 and 196,808.20 is: 294,874.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,043.40 : 452,546.70 = 196,808.20 : x
  2. Step 2: Convert to fraction form
    302,043.40/452,546.70 = 196,808.20/x
  3. Step 3: Cross multiply
    302,043.40x = 452,546.70 × 196,808.20
  4. Step 4: Simplify right side
    302,043.40x = 89,064,901,442.94
  5. Step 5: Solve for x
    x = 89,064,901,442.94/302,043.40
  6. Step 6: Final answer
    x = 294,874.52

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1.5x scale

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.