Home / 255,530.12-352,617-146,611.37

Finding the Fourth Proportional to 255,530.12, 352,617 and 146,611.37

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Solution

The fourth proportional to 255,530.12, 352,617 and 146,611.37 is: 202,315.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,530.12 : 352,617 = 146,611.37 : x
  2. Step 2: Convert to fraction form
    255,530.12/352,617 = 146,611.37/x
  3. Step 3: Cross multiply
    255,530.12x = 352,617 × 146,611.37
  4. Step 4: Simplify right side
    255,530.12x = 51,697,661,455.29
  5. Step 5: Solve for x
    x = 51,697,661,455.29/255,530.12
  6. Step 6: Final answer
    x = 202,315.33

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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.