Home / 442,058.32-663,086.88-205,271.52

Finding the Fourth Proportional to 442,058.32, 663,086.88 and 205,271.52

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Solution

The fourth proportional to 442,058.32, 663,086.88 and 205,271.52 is: 307,907.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,058.32 : 663,086.88 = 205,271.52 : x
  2. Step 2: Convert to fraction form
    442,058.32/663,086.88 = 205,271.52/x
  3. Step 3: Cross multiply
    442,058.32x = 663,086.88 × 205,271.52
  4. Step 4: Simplify right side
    442,058.32x = 136,112,851,749.66
  5. Step 5: Solve for x
    x = 136,112,851,749.66/442,058.32
  6. Step 6: Final answer
    x = 307,907.00

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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.