Home / 323,280.18-484,979.09-133,637.55

Finding the Fourth Proportional to 323,280.18, 484,979.09 and 133,637.55

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Solution

The fourth proportional to 323,280.18, 484,979.09 and 133,637.55 is: 200,480.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,280.18 : 484,979.09 = 133,637.55 : x
  2. Step 2: Convert to fraction form
    323,280.18/484,979.09 = 133,637.55/x
  3. Step 3: Cross multiply
    323,280.18x = 484,979.09 × 133,637.55
  4. Step 4: Simplify right side
    323,280.18x = 64,811,417,388.83
  5. Step 5: Solve for x
    x = 64,811,417,388.83/323,280.18
  6. Step 6: Final answer
    x = 200,480.64

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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.