Home / 403,735.19-605,031.51-223,899.72

Finding the Fourth Proportional to 403,735.19, 605,031.51 and 223,899.72

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Solution

The fourth proportional to 403,735.19, 605,031.51 and 223,899.72 is: 335,532.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,735.19 : 605,031.51 = 223,899.72 : x
  2. Step 2: Convert to fraction form
    403,735.19/605,031.51 = 223,899.72/x
  3. Step 3: Cross multiply
    403,735.19x = 605,031.51 × 223,899.72
  4. Step 4: Simplify right side
    403,735.19x = 135,466,385,680.18
  5. Step 5: Solve for x
    x = 135,466,385,680.18/403,735.19
  6. Step 6: Final answer
    x = 335,532.77

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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.