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Finding the Fourth Proportional to 359,497.01, 496,017.42 and 219,760.31

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Solution

The fourth proportional to 359,497.01, 496,017.42 and 219,760.31 is: 303,215.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,497.01 : 496,017.42 = 219,760.31 : x
  2. Step 2: Convert to fraction form
    359,497.01/496,017.42 = 219,760.31/x
  3. Step 3: Cross multiply
    359,497.01x = 496,017.42 × 219,760.31
  4. Step 4: Simplify right side
    359,497.01x = 109,004,941,984.60
  5. Step 5: Solve for x
    x = 109,004,941,984.60/359,497.01
  6. Step 6: Final answer
    x = 303,215.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.