Home / 291,867.16-434,899.22-260,032.54

Finding the Fourth Proportional to 291,867.16, 434,899.22 and 260,032.54

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Solution

The fourth proportional to 291,867.16, 434,899.22 and 260,032.54 is: 387,463.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,867.16 : 434,899.22 = 260,032.54 : x
  2. Step 2: Convert to fraction form
    291,867.16/434,899.22 = 260,032.54/x
  3. Step 3: Cross multiply
    291,867.16x = 434,899.22 × 260,032.54
  4. Step 4: Simplify right side
    291,867.16x = 113,087,948,820.62
  5. Step 5: Solve for x
    x = 113,087,948,820.62/291,867.16
  6. Step 6: Final answer
    x = 387,463.77

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.