Home / 345,120.35-517,422.33-232,484.45

Finding the Fourth Proportional to 345,120.35, 517,422.33 and 232,484.45

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Solution

The fourth proportional to 345,120.35, 517,422.33 and 232,484.45 is: 348,552.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,120.35 : 517,422.33 = 232,484.45 : x
  2. Step 2: Convert to fraction form
    345,120.35/517,422.33 = 232,484.45/x
  3. Step 3: Cross multiply
    345,120.35x = 517,422.33 × 232,484.45
  4. Step 4: Simplify right side
    345,120.35x = 120,292,643,220.66
  5. Step 5: Solve for x
    x = 120,292,643,220.66/345,120.35
  6. Step 6: Final answer
    x = 348,552.74

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1.5x scale

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.