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Finding the Fourth Proportional to 306,572.34, 459,858.63 and 146,610.45

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Solution

The fourth proportional to 306,572.34, 459,858.63 and 146,610.45 is: 219,915.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,572.34 : 459,858.63 = 146,610.45 : x
  2. Step 2: Convert to fraction form
    306,572.34/459,858.63 = 146,610.45/x
  3. Step 3: Cross multiply
    306,572.34x = 459,858.63 × 146,610.45
  4. Step 4: Simplify right side
    306,572.34x = 67,420,080,680.68
  5. Step 5: Solve for x
    x = 67,420,080,680.68/306,572.34
  6. Step 6: Final answer
    x = 219,915.73

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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.