Home / 766,145.70-1,149,284.65-197,521.98

Finding the Fourth Proportional to 766,145.70, 1,149,284.65 and 197,521.98

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Solution

The fourth proportional to 766,145.70, 1,149,284.65 and 197,521.98 is: 296,300.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,145.70 : 1,149,284.65 = 197,521.98 : x
  2. Step 2: Convert to fraction form
    766,145.70/1,149,284.65 = 197,521.98/x
  3. Step 3: Cross multiply
    766,145.70x = 1,149,284.65 × 197,521.98
  4. Step 4: Simplify right side
    766,145.70x = 227,008,979,651.61
  5. Step 5: Solve for x
    x = 227,008,979,651.61/766,145.70
  6. Step 6: Final answer
    x = 296,300.01

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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.