Home / 380,284.56-524,796.84-210,521.52

Finding the Fourth Proportional to 380,284.56, 524,796.84 and 210,521.52

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Solution

The fourth proportional to 380,284.56, 524,796.84 and 210,521.52 is: 290,521.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,284.56 : 524,796.84 = 210,521.52 : x
  2. Step 2: Convert to fraction form
    380,284.56/524,796.84 = 210,521.52/x
  3. Step 3: Cross multiply
    380,284.56x = 524,796.84 × 210,521.52
  4. Step 4: Simplify right side
    380,284.56x = 110,481,028,448.00
  5. Step 5: Solve for x
    x = 110,481,028,448.00/380,284.56
  6. Step 6: Final answer
    x = 290,521.99

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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.