Home / 315,741.02-435,722.37-179,767.94

Finding the Fourth Proportional to 315,741.02, 435,722.37 and 179,767.94

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Solution

The fourth proportional to 315,741.02, 435,722.37 and 179,767.94 is: 248,079.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,741.02 : 435,722.37 = 179,767.94 : x
  2. Step 2: Convert to fraction form
    315,741.02/435,722.37 = 179,767.94/x
  3. Step 3: Cross multiply
    315,741.02x = 435,722.37 × 179,767.94
  4. Step 4: Simplify right side
    315,741.02x = 78,328,912,866.82
  5. Step 5: Solve for x
    x = 78,328,912,866.82/315,741.02
  6. Step 6: Final answer
    x = 248,079.62

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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.