Home / 535,933.16-803,288.21-215,880.06

Finding the Fourth Proportional to 535,933.16, 803,288.21 and 215,880.06

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Solution

The fourth proportional to 535,933.16, 803,288.21 and 215,880.06 is: 323,573.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,933.16 : 803,288.21 = 215,880.06 : x
  2. Step 2: Convert to fraction form
    535,933.16/803,288.21 = 215,880.06/x
  3. Step 3: Cross multiply
    535,933.16x = 803,288.21 × 215,880.06
  4. Step 4: Simplify right side
    535,933.16x = 173,413,908,467.26
  5. Step 5: Solve for x
    x = 173,413,908,467.26/535,933.16
  6. Step 6: Final answer
    x = 323,573.76

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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.