Home / 286,980.22-396,048.45-159,653.08

Finding the Fourth Proportional to 286,980.22, 396,048.45 and 159,653.08

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Solution

The fourth proportional to 286,980.22, 396,048.45 and 159,653.08 is: 220,330.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,980.22 : 396,048.45 = 159,653.08 : x
  2. Step 2: Convert to fraction form
    286,980.22/396,048.45 = 159,653.08/x
  3. Step 3: Cross multiply
    286,980.22x = 396,048.45 × 159,653.08
  4. Step 4: Simplify right side
    286,980.22x = 63,230,354,871.73
  5. Step 5: Solve for x
    x = 63,230,354,871.73/286,980.22
  6. Step 6: Final answer
    x = 220,330.01

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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.