Home / 283,946.20-425,919.30-213,087.40

Finding the Fourth Proportional to 283,946.20, 425,919.30 and 213,087.40

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Solution

The fourth proportional to 283,946.20, 425,919.30 and 213,087.40 is: 319,631.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,946.20 : 425,919.30 = 213,087.40 : x
  2. Step 2: Convert to fraction form
    283,946.20/425,919.30 = 213,087.40/x
  3. Step 3: Cross multiply
    283,946.20x = 425,919.30 × 213,087.40
  4. Step 4: Simplify right side
    283,946.20x = 90,758,036,246.82
  5. Step 5: Solve for x
    x = 90,758,036,246.82/283,946.20
  6. Step 6: Final answer
    x = 319,631.10

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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.