Home / 403,741.11-605,159.15-163,799.31

Finding the Fourth Proportional to 403,741.11, 605,159.15 and 163,799.31

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Solution

The fourth proportional to 403,741.11, 605,159.15 and 163,799.31 is: 245,515.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,741.11 : 605,159.15 = 163,799.31 : x
  2. Step 2: Convert to fraction form
    403,741.11/605,159.15 = 163,799.31/x
  3. Step 3: Cross multiply
    403,741.11x = 605,159.15 × 163,799.31
  4. Step 4: Simplify right side
    403,741.11x = 99,124,650,391.19
  5. Step 5: Solve for x
    x = 99,124,650,391.19/403,741.11
  6. Step 6: Final answer
    x = 245,515.38

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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.