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Finding the Fourth Proportional to 612,218.32, 918,336.83 and 233,160.12

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Solution

The fourth proportional to 612,218.32, 918,336.83 and 233,160.12 is: 349,743.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,218.32 : 918,336.83 = 233,160.12 : x
  2. Step 2: Convert to fraction form
    612,218.32/918,336.83 = 233,160.12/x
  3. Step 3: Cross multiply
    612,218.32x = 918,336.83 × 233,160.12
  4. Step 4: Simplify right side
    612,218.32x = 214,119,524,317.42
  5. Step 5: Solve for x
    x = 214,119,524,317.42/612,218.32
  6. Step 6: Final answer
    x = 349,743.74

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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.