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Finding the Fourth Proportional to 540,446.64, 810,710.72 and 161,337.44

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Solution

The fourth proportional to 540,446.64, 810,710.72 and 161,337.44 is: 242,018.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,446.64 : 810,710.72 = 161,337.44 : x
  2. Step 2: Convert to fraction form
    540,446.64/810,710.72 = 161,337.44/x
  3. Step 3: Cross multiply
    540,446.64x = 810,710.72 × 161,337.44
  4. Step 4: Simplify right side
    540,446.64x = 130,797,992,145.36
  5. Step 5: Solve for x
    x = 130,797,992,145.36/540,446.64
  6. Step 6: Final answer
    x = 242,018.33

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1.5x scale

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.