Home / 210,276.48-290,177.28-114,782.88

Finding the Fourth Proportional to 210,276.48, 290,177.28 and 114,782.88

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Solution

The fourth proportional to 210,276.48, 290,177.28 and 114,782.88 is: 158,398.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,276.48 : 290,177.28 = 114,782.88 : x
  2. Step 2: Convert to fraction form
    210,276.48/290,177.28 = 114,782.88/x
  3. Step 3: Cross multiply
    210,276.48x = 290,177.28 × 114,782.88
  4. Step 4: Simplify right side
    210,276.48x = 33,307,383,908.97
  5. Step 5: Solve for x
    x = 33,307,383,908.97/210,276.48
  6. Step 6: Final answer
    x = 158,398.05

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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.