Home / 210,860.48-290,994.45-115,367.22

Finding the Fourth Proportional to 210,860.48, 290,994.45 and 115,367.22

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Solution

The fourth proportional to 210,860.48, 290,994.45 and 115,367.22 is: 159,210.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,860.48 : 290,994.45 = 115,367.22 : x
  2. Step 2: Convert to fraction form
    210,860.48/290,994.45 = 115,367.22/x
  3. Step 3: Cross multiply
    210,860.48x = 290,994.45 × 115,367.22
  4. Step 4: Simplify right side
    210,860.48x = 33,571,220,731.93
  5. Step 5: Solve for x
    x = 33,571,220,731.93/210,860.48
  6. Step 6: Final answer
    x = 159,210.59

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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.