Home / 355,775.16-532,961.46-289,290.36

Finding the Fourth Proportional to 355,775.16, 532,961.46 and 289,290.36

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Solution

The fourth proportional to 355,775.16, 532,961.46 and 289,290.36 is: 433,365.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,775.16 : 532,961.46 = 289,290.36 : x
  2. Step 2: Convert to fraction form
    355,775.16/532,961.46 = 289,290.36/x
  3. Step 3: Cross multiply
    355,775.16x = 532,961.46 × 289,290.36
  4. Step 4: Simplify right side
    355,775.16x = 154,180,612,629.53
  5. Step 5: Solve for x
    x = 154,180,612,629.53/355,775.16
  6. Step 6: Final answer
    x = 433,365.31

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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.