Home / 393,327.77-589,995.09-127,088.33

Finding the Fourth Proportional to 393,327.77, 589,995.09 and 127,088.33

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Solution

The fourth proportional to 393,327.77, 589,995.09 and 127,088.33 is: 190,633.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,327.77 : 589,995.09 = 127,088.33 : x
  2. Step 2: Convert to fraction form
    393,327.77/589,995.09 = 127,088.33/x
  3. Step 3: Cross multiply
    393,327.77x = 589,995.09 × 127,088.33
  4. Step 4: Simplify right side
    393,327.77x = 74,981,487,746.32
  5. Step 5: Solve for x
    x = 74,981,487,746.32/393,327.77
  6. Step 6: Final answer
    x = 190,633.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.