Home / 270,279.32-373,022.55-155,555.64

Finding the Fourth Proportional to 270,279.32, 373,022.55 and 155,555.64

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Solution

The fourth proportional to 270,279.32, 373,022.55 and 155,555.64 is: 214,688.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,279.32 : 373,022.55 = 155,555.64 : x
  2. Step 2: Convert to fraction form
    270,279.32/373,022.55 = 155,555.64/x
  3. Step 3: Cross multiply
    270,279.32x = 373,022.55 × 155,555.64
  4. Step 4: Simplify right side
    270,279.32x = 58,025,761,499.68
  5. Step 5: Solve for x
    x = 58,025,761,499.68/270,279.32
  6. Step 6: Final answer
    x = 214,688.13

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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.