Home / 380,653.20-524,455.52-251,362.08

Finding the Fourth Proportional to 380,653.20, 524,455.52 and 251,362.08

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Solution

The fourth proportional to 380,653.20, 524,455.52 and 251,362.08 is: 346,321.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,653.20 : 524,455.52 = 251,362.08 : x
  2. Step 2: Convert to fraction form
    380,653.20/524,455.52 = 251,362.08/x
  3. Step 3: Cross multiply
    380,653.20x = 524,455.52 × 251,362.08
  4. Step 4: Simplify right side
    380,653.20x = 131,828,230,374.68
  5. Step 5: Solve for x
    x = 131,828,230,374.68/380,653.20
  6. Step 6: Final answer
    x = 346,321.09

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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.