Home / 210,449.20-290,347.86-119,782.48

Finding the Fourth Proportional to 210,449.20, 290,347.86 and 119,782.48

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Solution

The fourth proportional to 210,449.20, 290,347.86 and 119,782.48 is: 165,258.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,449.20 : 290,347.86 = 119,782.48 : x
  2. Step 2: Convert to fraction form
    210,449.20/290,347.86 = 119,782.48/x
  3. Step 3: Cross multiply
    210,449.20x = 290,347.86 × 119,782.48
  4. Step 4: Simplify right side
    210,449.20x = 34,778,586,733.49
  5. Step 5: Solve for x
    x = 34,778,586,733.49/210,449.20
  6. Step 6: Final answer
    x = 165,258.82

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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.