Home / 291,198.06-401,628.87-255,328.02

Finding the Fourth Proportional to 291,198.06, 401,628.87 and 255,328.02

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Solution

The fourth proportional to 291,198.06, 401,628.87 and 255,328.02 is: 352,155.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,198.06 : 401,628.87 = 255,328.02 : x
  2. Step 2: Convert to fraction form
    291,198.06/401,628.87 = 255,328.02/x
  3. Step 3: Cross multiply
    291,198.06x = 401,628.87 × 255,328.02
  4. Step 4: Simplify right side
    291,198.06x = 102,547,104,151.94
  5. Step 5: Solve for x
    x = 102,547,104,151.94/291,198.06
  6. Step 6: Final answer
    x = 352,155.86

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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.