Home / 291,280.85-401,977.45-160,452.69

Finding the Fourth Proportional to 291,280.85, 401,977.45 and 160,452.69

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Solution

The fourth proportional to 291,280.85, 401,977.45 and 160,452.69 is: 221,430.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,280.85 : 401,977.45 = 160,452.69 : x
  2. Step 2: Convert to fraction form
    291,280.85/401,977.45 = 160,452.69/x
  3. Step 3: Cross multiply
    291,280.85x = 401,977.45 × 160,452.69
  4. Step 4: Simplify right side
    291,280.85x = 64,498,363,171.84
  5. Step 5: Solve for x
    x = 64,498,363,171.84/291,280.85
  6. Step 6: Final answer
    x = 221,430.15

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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.