Home / 305,975.16-422,244.36-170,031.24

Finding the Fourth Proportional to 305,975.16, 422,244.36 and 170,031.24

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Solution

The fourth proportional to 305,975.16, 422,244.36 and 170,031.24 is: 234,642.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,975.16 : 422,244.36 = 170,031.24 : x
  2. Step 2: Convert to fraction form
    305,975.16/422,244.36 = 170,031.24/x
  3. Step 3: Cross multiply
    305,975.16x = 422,244.36 × 170,031.24
  4. Step 4: Simplify right side
    305,975.16x = 71,794,732,113.81
  5. Step 5: Solve for x
    x = 71,794,732,113.81/305,975.16
  6. Step 6: Final answer
    x = 234,642.35

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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.