Home / 380,669.12-570,959.52-100,208.24

Finding the Fourth Proportional to 380,669.12, 570,959.52 and 100,208.24

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Solution

The fourth proportional to 380,669.12, 570,959.52 and 100,208.24 is: 150,300.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,669.12 : 570,959.52 = 100,208.24 : x
  2. Step 2: Convert to fraction form
    380,669.12/570,959.52 = 100,208.24/x
  3. Step 3: Cross multiply
    380,669.12x = 570,959.52 × 100,208.24
  4. Step 4: Simplify right side
    380,669.12x = 57,214,848,610.44
  5. Step 5: Solve for x
    x = 57,214,848,610.44/380,669.12
  6. Step 6: Final answer
    x = 150,300.74

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1.5x scale

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.