Home / 515,837.20-773,755.80-160,848.40

Finding the Fourth Proportional to 515,837.20, 773,755.80 and 160,848.40

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Solution

The fourth proportional to 515,837.20, 773,755.80 and 160,848.40 is: 241,272.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,837.20 : 773,755.80 = 160,848.40 : x
  2. Step 2: Convert to fraction form
    515,837.20/773,755.80 = 160,848.40/x
  3. Step 3: Cross multiply
    515,837.20x = 773,755.80 × 160,848.40
  4. Step 4: Simplify right side
    515,837.20x = 124,457,382,420.72
  5. Step 5: Solve for x
    x = 124,457,382,420.72/515,837.20
  6. Step 6: Final answer
    x = 241,272.60

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Similar ratio
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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.