Home / 475,021.40-712,935.30-194,739.80

Finding the Fourth Proportional to 475,021.40, 712,935.30 and 194,739.80

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Solution

The fourth proportional to 475,021.40, 712,935.30 and 194,739.80 is: 292,275.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,021.40 : 712,935.30 = 194,739.80 : x
  2. Step 2: Convert to fraction form
    475,021.40/712,935.30 = 194,739.80/x
  3. Step 3: Cross multiply
    475,021.40x = 712,935.30 × 194,739.80
  4. Step 4: Simplify right side
    475,021.40x = 138,836,877,734.94
  5. Step 5: Solve for x
    x = 138,836,877,734.94/475,021.40
  6. Step 6: Final answer
    x = 292,275.00

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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.