Home / 380,287.26-524,796.54-210,521.37

Finding the Fourth Proportional to 380,287.26, 524,796.54 and 210,521.37

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Solution

The fourth proportional to 380,287.26, 524,796.54 and 210,521.37 is: 290,519.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,287.26 : 524,796.54 = 210,521.37 : x
  2. Step 2: Convert to fraction form
    380,287.26/524,796.54 = 210,521.37/x
  3. Step 3: Cross multiply
    380,287.26x = 524,796.54 × 210,521.37
  4. Step 4: Simplify right side
    380,287.26x = 110,480,886,572.06
  5. Step 5: Solve for x
    x = 110,480,886,572.06/380,287.26
  6. Step 6: Final answer
    x = 290,519.56

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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.