Home / 320,316.36-442,007.19-184,314.12

Finding the Fourth Proportional to 320,316.36, 442,007.19 and 184,314.12

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Solution

The fourth proportional to 320,316.36, 442,007.19 and 184,314.12 is: 254,336.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,316.36 : 442,007.19 = 184,314.12 : x
  2. Step 2: Convert to fraction form
    320,316.36/442,007.19 = 184,314.12/x
  3. Step 3: Cross multiply
    320,316.36x = 442,007.19 × 184,314.12
  4. Step 4: Simplify right side
    320,316.36x = 81,468,166,258.52
  5. Step 5: Solve for x
    x = 81,468,166,258.52/320,316.36
  6. Step 6: Final answer
    x = 254,336.58

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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.