Home / 292,335.36-403,423.20-158,199.36

Finding the Fourth Proportional to 292,335.36, 403,423.20 and 158,199.36

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Solution

The fourth proportional to 292,335.36, 403,423.20 and 158,199.36 is: 218,315.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,335.36 : 403,423.20 = 158,199.36 : x
  2. Step 2: Convert to fraction form
    292,335.36/403,423.20 = 158,199.36/x
  3. Step 3: Cross multiply
    292,335.36x = 403,423.20 × 158,199.36
  4. Step 4: Simplify right side
    292,335.36x = 63,821,292,049.15
  5. Step 5: Solve for x
    x = 63,821,292,049.15/292,335.36
  6. Step 6: Final answer
    x = 218,315.33

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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.