Home / 378,738.40-522,848.37-235,544.58

Finding the Fourth Proportional to 378,738.40, 522,848.37 and 235,544.58

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Solution

The fourth proportional to 378,738.40, 522,848.37 and 235,544.58 is: 325,169.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,738.40 : 522,848.37 = 235,544.58 : x
  2. Step 2: Convert to fraction form
    378,738.40/522,848.37 = 235,544.58/x
  3. Step 3: Cross multiply
    378,738.40x = 522,848.37 × 235,544.58
  4. Step 4: Simplify right side
    378,738.40x = 123,154,099,715.34
  5. Step 5: Solve for x
    x = 123,154,099,715.34/378,738.40
  6. Step 6: Final answer
    x = 325,169.30

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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.