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Finding the Fourth Proportional to 306,088.40, 459,132.60 and 148,624.40

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Solution

The fourth proportional to 306,088.40, 459,132.60 and 148,624.40 is: 222,936.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,088.40 : 459,132.60 = 148,624.40 : x
  2. Step 2: Convert to fraction form
    306,088.40/459,132.60 = 148,624.40/x
  3. Step 3: Cross multiply
    306,088.40x = 459,132.60 × 148,624.40
  4. Step 4: Simplify right side
    306,088.40x = 68,238,307,195.44
  5. Step 5: Solve for x
    x = 68,238,307,195.44/306,088.40
  6. Step 6: Final answer
    x = 222,936.60

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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.