Home / 355,778.16-532,965.96-289,293.36

Finding the Fourth Proportional to 355,778.16, 532,965.96 and 289,293.36

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Solution

The fourth proportional to 355,778.16, 532,965.96 and 289,293.36 is: 433,369.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,778.16 : 532,965.96 = 289,293.36 : x
  2. Step 2: Convert to fraction form
    355,778.16/532,965.96 = 289,293.36/x
  3. Step 3: Cross multiply
    355,778.16x = 532,965.96 × 289,293.36
  4. Step 4: Simplify right side
    355,778.16x = 154,183,513,334.03
  5. Step 5: Solve for x
    x = 154,183,513,334.03/355,778.16
  6. Step 6: Final answer
    x = 433,369.81

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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.