Home / 442,028.20-609,977.70-251,016.36

Finding the Fourth Proportional to 442,028.20, 609,977.70 and 251,016.36

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Solution

The fourth proportional to 442,028.20, 609,977.70 and 251,016.36 is: 346,390.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,028.20 : 609,977.70 = 251,016.36 : x
  2. Step 2: Convert to fraction form
    442,028.20/609,977.70 = 251,016.36/x
  3. Step 3: Cross multiply
    442,028.20x = 609,977.70 × 251,016.36
  4. Step 4: Simplify right side
    442,028.20x = 153,114,381,935.17
  5. Step 5: Solve for x
    x = 153,114,381,935.17/442,028.20
  6. Step 6: Final answer
    x = 346,390.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.