Home / 289,629.62-434,044.63-209,025.01

Finding the Fourth Proportional to 289,629.62, 434,044.63 and 209,025.01

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Solution

The fourth proportional to 289,629.62, 434,044.63 and 209,025.01 is: 313,248.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,629.62 : 434,044.63 = 209,025.01 : x
  2. Step 2: Convert to fraction form
    289,629.62/434,044.63 = 209,025.01/x
  3. Step 3: Cross multiply
    289,629.62x = 434,044.63 × 209,025.01
  4. Step 4: Simplify right side
    289,629.62x = 90,726,180,312.77
  5. Step 5: Solve for x
    x = 90,726,180,312.77/289,629.62
  6. Step 6: Final answer
    x = 313,248.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.