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Finding the Fourth Proportional to 430,500.32, 594,078 and 239,520.32

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Solution

The fourth proportional to 430,500.32, 594,078 and 239,520.32 is: 330,531.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,500.32 : 594,078 = 239,520.32 : x
  2. Step 2: Convert to fraction form
    430,500.32/594,078 = 239,520.32/x
  3. Step 3: Cross multiply
    430,500.32x = 594,078 × 239,520.32
  4. Step 4: Simplify right side
    430,500.32x = 142,293,752,664.96
  5. Step 5: Solve for x
    x = 142,293,752,664.96/430,500.32
  6. Step 6: Final answer
    x = 330,531.12

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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.