Home / 210,976.83-290,799.62-157,242.24

Finding the Fourth Proportional to 210,976.83, 290,799.62 and 157,242.24

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Solution

The fourth proportional to 210,976.83, 290,799.62 and 157,242.24 is: 216,734.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,976.83 : 290,799.62 = 157,242.24 : x
  2. Step 2: Convert to fraction form
    210,976.83/290,799.62 = 157,242.24/x
  3. Step 3: Cross multiply
    210,976.83x = 290,799.62 × 157,242.24
  4. Step 4: Simplify right side
    210,976.83x = 45,725,983,246.84
  5. Step 5: Solve for x
    x = 45,725,983,246.84/210,976.83
  6. Step 6: Final answer
    x = 216,734.62

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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.