Home / 281,979.48-388,827.66-214,120.92

Finding the Fourth Proportional to 281,979.48, 388,827.66 and 214,120.92

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Solution

The fourth proportional to 281,979.48, 388,827.66 and 214,120.92 is: 295,256.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,979.48 : 388,827.66 = 214,120.92 : x
  2. Step 2: Convert to fraction form
    281,979.48/388,827.66 = 214,120.92/x
  3. Step 3: Cross multiply
    281,979.48x = 388,827.66 × 214,120.92
  4. Step 4: Simplify right side
    281,979.48x = 83,256,136,280.65
  5. Step 5: Solve for x
    x = 83,256,136,280.65/281,979.48
  6. Step 6: Final answer
    x = 295,256.01

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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.