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Finding the Fourth Proportional to 535,156.74, 801,160.44 and 357,222.42

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Solution

The fourth proportional to 535,156.74, 801,160.44 and 357,222.42 is: 534,782.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,156.74 : 801,160.44 = 357,222.42 : x
  2. Step 2: Convert to fraction form
    535,156.74/801,160.44 = 357,222.42/x
  3. Step 3: Cross multiply
    535,156.74x = 801,160.44 × 357,222.42
  4. Step 4: Simplify right side
    535,156.74x = 286,192,471,185.07
  5. Step 5: Solve for x
    x = 286,192,471,185.07/535,156.74
  6. Step 6: Final answer
    x = 534,782.52

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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.