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Finding the Fourth Proportional to 360,346.10, 540,096.95 and 146,980.85

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Solution

The fourth proportional to 360,346.10, 540,096.95 and 146,980.85 is: 220,299.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,346.10 : 540,096.95 = 146,980.85 : x
  2. Step 2: Convert to fraction form
    360,346.10/540,096.95 = 146,980.85/x
  3. Step 3: Cross multiply
    360,346.10x = 540,096.95 × 146,980.85
  4. Step 4: Simplify right side
    360,346.10x = 79,383,906,460.37
  5. Step 5: Solve for x
    x = 79,383,906,460.37/360,346.10
  6. Step 6: Final answer
    x = 220,299.06

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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.