Home / 315,787.94-474,018.96-135,962.36

Finding the Fourth Proportional to 315,787.94, 474,018.96 and 135,962.36

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Solution

The fourth proportional to 315,787.94, 474,018.96 and 135,962.36 is: 204,088.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,787.94 : 474,018.96 = 135,962.36 : x
  2. Step 2: Convert to fraction form
    315,787.94/474,018.96 = 135,962.36/x
  3. Step 3: Cross multiply
    315,787.94x = 474,018.96 × 135,962.36
  4. Step 4: Simplify right side
    315,787.94x = 64,448,736,486.35
  5. Step 5: Solve for x
    x = 64,448,736,486.35/315,787.94
  6. Step 6: Final answer
    x = 204,088.66

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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.