Home / 320,798.38-442,812.44-184,886.62

Finding the Fourth Proportional to 320,798.38, 442,812.44 and 184,886.62

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Solution

The fourth proportional to 320,798.38, 442,812.44 and 184,886.62 is: 255,207.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,798.38 : 442,812.44 = 184,886.62 : x
  2. Step 2: Convert to fraction form
    320,798.38/442,812.44 = 184,886.62/x
  3. Step 3: Cross multiply
    320,798.38x = 442,812.44 × 184,886.62
  4. Step 4: Simplify right side
    320,798.38x = 81,870,095,325.55
  5. Step 5: Solve for x
    x = 81,870,095,325.55/320,798.38
  6. Step 6: Final answer
    x = 255,207.32

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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.