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Finding the Fourth Proportional to 328,234.60, 492,546.30 and 239,264.20

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Solution

The fourth proportional to 328,234.60, 492,546.30 and 239,264.20 is: 359,038.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,234.60 : 492,546.30 = 239,264.20 : x
  2. Step 2: Convert to fraction form
    328,234.60/492,546.30 = 239,264.20/x
  3. Step 3: Cross multiply
    328,234.60x = 492,546.30 × 239,264.20
  4. Step 4: Simplify right side
    328,234.60x = 117,848,696,432.46
  5. Step 5: Solve for x
    x = 117,848,696,432.46/328,234.60
  6. Step 6: Final answer
    x = 359,038.01

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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.