Home / 202,828.56-279,739.08-155,006.16

Finding the Fourth Proportional to 202,828.56, 279,739.08 and 155,006.16

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Solution

The fourth proportional to 202,828.56, 279,739.08 and 155,006.16 is: 213,782.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,828.56 : 279,739.08 = 155,006.16 : x
  2. Step 2: Convert to fraction form
    202,828.56/279,739.08 = 155,006.16/x
  3. Step 3: Cross multiply
    202,828.56x = 279,739.08 × 155,006.16
  4. Step 4: Simplify right side
    202,828.56x = 43,361,280,592.73
  5. Step 5: Solve for x
    x = 43,361,280,592.73/202,828.56
  6. Step 6: Final answer
    x = 213,782.91

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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.