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Finding the Fourth Proportional to 445,709.44, 615,068.48 and 244,503.68

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Solution

The fourth proportional to 445,709.44, 615,068.48 and 244,503.68 is: 337,409.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,709.44 : 615,068.48 = 244,503.68 : x
  2. Step 2: Convert to fraction form
    445,709.44/615,068.48 = 244,503.68/x
  3. Step 3: Cross multiply
    445,709.44x = 615,068.48 × 244,503.68
  4. Step 4: Simplify right side
    445,709.44x = 150,386,506,812.01
  5. Step 5: Solve for x
    x = 150,386,506,812.01/445,709.44
  6. Step 6: Final answer
    x = 337,409.29

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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.