Home / 445,913.94-615,361.68-254,931.48

Finding the Fourth Proportional to 445,913.94, 615,361.68 and 254,931.48

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Solution

The fourth proportional to 445,913.94, 615,361.68 and 254,931.48 is: 351,805.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,913.94 : 615,361.68 = 254,931.48 : x
  2. Step 2: Convert to fraction form
    445,913.94/615,361.68 = 254,931.48/x
  3. Step 3: Cross multiply
    445,913.94x = 615,361.68 × 254,931.48
  4. Step 4: Simplify right side
    445,913.94x = 156,875,063,817.69
  5. Step 5: Solve for x
    x = 156,875,063,817.69/445,913.94
  6. Step 6: Final answer
    x = 351,805.70

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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.