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Finding the Fourth Proportional to 430,473.32, 594,045.06 and 239,486.12

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Solution

The fourth proportional to 430,473.32, 594,045.06 and 239,486.12 is: 330,486.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,473.32 : 594,045.06 = 239,486.12 : x
  2. Step 2: Convert to fraction form
    430,473.32/594,045.06 = 239,486.12/x
  3. Step 3: Cross multiply
    430,473.32x = 594,045.06 × 239,486.12
  4. Step 4: Simplify right side
    430,473.32x = 142,265,546,524.57
  5. Step 5: Solve for x
    x = 142,265,546,524.57/430,473.32
  6. Step 6: Final answer
    x = 330,486.33

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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.