Home / 380,339.30-524,903.44-210,573.42

Finding the Fourth Proportional to 380,339.30, 524,903.44 and 210,573.42

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Solution

The fourth proportional to 380,339.30, 524,903.44 and 210,573.42 is: 290,610.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,339.30 : 524,903.44 = 210,573.42 : x
  2. Step 2: Convert to fraction form
    380,339.30/524,903.44 = 210,573.42/x
  3. Step 3: Cross multiply
    380,339.30x = 524,903.44 × 210,573.42
  4. Step 4: Simplify right side
    380,339.30x = 110,530,712,530.57
  5. Step 5: Solve for x
    x = 110,530,712,530.57/380,339.30
  6. Step 6: Final answer
    x = 290,610.81

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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.