Home / 255,150.08-382,374.40-130,228.48

Finding the Fourth Proportional to 255,150.08, 382,374.40 and 130,228.48

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Solution

The fourth proportional to 255,150.08, 382,374.40 and 130,228.48 is: 195,163.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,150.08 : 382,374.40 = 130,228.48 : x
  2. Step 2: Convert to fraction form
    255,150.08/382,374.40 = 130,228.48/x
  3. Step 3: Cross multiply
    255,150.08x = 382,374.40 × 130,228.48
  4. Step 4: Simplify right side
    255,150.08x = 49,796,036,902.91
  5. Step 5: Solve for x
    x = 49,796,036,902.91/255,150.08
  6. Step 6: Final answer
    x = 195,163.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.