Home / 291,308.24-402,004.32-163,984.16

Finding the Fourth Proportional to 291,308.24, 402,004.32 and 163,984.16

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Solution

The fourth proportional to 291,308.24, 402,004.32 and 163,984.16 is: 226,297.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,308.24 : 402,004.32 = 163,984.16 : x
  2. Step 2: Convert to fraction form
    291,308.24/402,004.32 = 163,984.16/x
  3. Step 3: Cross multiply
    291,308.24x = 402,004.32 × 163,984.16
  4. Step 4: Simplify right side
    291,308.24x = 65,922,340,731.57
  5. Step 5: Solve for x
    x = 65,922,340,731.57/291,308.24
  6. Step 6: Final answer
    x = 226,297.55

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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.