Home / 291,540.09-402,187.86-170,607.24

Finding the Fourth Proportional to 291,540.09, 402,187.86 and 170,607.24

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Solution

The fourth proportional to 291,540.09, 402,187.86 and 170,607.24 is: 235,357.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,540.09 : 402,187.86 = 170,607.24 : x
  2. Step 2: Convert to fraction form
    291,540.09/402,187.86 = 170,607.24/x
  3. Step 3: Cross multiply
    291,540.09x = 402,187.86 × 170,607.24
  4. Step 4: Simplify right side
    291,540.09x = 68,616,160,756.11
  5. Step 5: Solve for x
    x = 68,616,160,756.11/291,540.09
  6. Step 6: Final answer
    x = 235,357.55

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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.