Home / 291,078.03-401,695.49-160,259.67

Finding the Fourth Proportional to 291,078.03, 401,695.49 and 160,259.67

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Solution

The fourth proportional to 291,078.03, 401,695.49 and 160,259.67 is: 221,162.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,078.03 : 401,695.49 = 160,259.67 : x
  2. Step 2: Convert to fraction form
    291,078.03/401,695.49 = 160,259.67/x
  3. Step 3: Cross multiply
    291,078.03x = 401,695.49 × 160,259.67
  4. Step 4: Simplify right side
    291,078.03x = 64,375,587,068.54
  5. Step 5: Solve for x
    x = 64,375,587,068.54/291,078.03
  6. Step 6: Final answer
    x = 221,162.65

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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.