Home / 315,741.52-435,723.06-179,768.44

Finding the Fourth Proportional to 315,741.52, 435,723.06 and 179,768.44

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Solution

The fourth proportional to 315,741.52, 435,723.06 and 179,768.44 is: 248,080.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,741.52 : 435,723.06 = 179,768.44 : x
  2. Step 2: Convert to fraction form
    315,741.52/435,723.06 = 179,768.44/x
  3. Step 3: Cross multiply
    315,741.52x = 435,723.06 × 179,768.44
  4. Step 4: Simplify right side
    315,741.52x = 78,329,254,768.23
  5. Step 5: Solve for x
    x = 78,329,254,768.23/315,741.52
  6. Step 6: Final answer
    x = 248,080.31

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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.