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Finding the Fourth Proportional to 360,143.84, 496,897.44 and 207,174.08

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Solution

The fourth proportional to 360,143.84, 496,897.44 and 207,174.08 is: 285,842.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,143.84 : 496,897.44 = 207,174.08 : x
  2. Step 2: Convert to fraction form
    360,143.84/496,897.44 = 207,174.08/x
  3. Step 3: Cross multiply
    360,143.84x = 496,897.44 × 207,174.08
  4. Step 4: Simplify right side
    360,143.84x = 102,944,269,986.36
  5. Step 5: Solve for x
    x = 102,944,269,986.36/360,143.84
  6. Step 6: Final answer
    x = 285,842.10

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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.