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Finding the Fourth Proportional to 289,399.56, 434,095.29 and 175,574.52

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Solution

The fourth proportional to 289,399.56, 434,095.29 and 175,574.52 is: 263,359.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,399.56 : 434,095.29 = 175,574.52 : x
  2. Step 2: Convert to fraction form
    289,399.56/434,095.29 = 175,574.52/x
  3. Step 3: Cross multiply
    289,399.56x = 434,095.29 × 175,574.52
  4. Step 4: Simplify right side
    289,399.56x = 76,216,072,176.01
  5. Step 5: Solve for x
    x = 76,216,072,176.01/289,399.56
  6. Step 6: Final answer
    x = 263,359.32

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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.