Home / 380,703.23-571,033.77-127,957.56

Finding the Fourth Proportional to 380,703.23, 571,033.77 and 127,957.56

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Solution

The fourth proportional to 380,703.23, 571,033.77 and 127,957.56 is: 191,929.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,703.23 : 571,033.77 = 127,957.56 : x
  2. Step 2: Convert to fraction form
    380,703.23/571,033.77 = 127,957.56/x
  3. Step 3: Cross multiply
    380,703.23x = 571,033.77 × 127,957.56
  4. Step 4: Simplify right side
    380,703.23x = 73,068,087,886.80
  5. Step 5: Solve for x
    x = 73,068,087,886.80/380,703.23
  6. Step 6: Final answer
    x = 191,929.26

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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.