Home / 380,757.77-571,062.81-144,118.91

Finding the Fourth Proportional to 380,757.77, 571,062.81 and 144,118.91

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Solution

The fourth proportional to 380,757.77, 571,062.81 and 144,118.91 is: 216,150.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,757.77 : 571,062.81 = 144,118.91 : x
  2. Step 2: Convert to fraction form
    380,757.77/571,062.81 = 144,118.91/x
  3. Step 3: Cross multiply
    380,757.77x = 571,062.81 × 144,118.91
  4. Step 4: Simplify right side
    380,757.77x = 82,300,949,718.74
  5. Step 5: Solve for x
    x = 82,300,949,718.74/380,757.77
  6. Step 6: Final answer
    x = 216,150.41

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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.