Home / 286,004.18-429,119.26-108,558.30

Finding the Fourth Proportional to 286,004.18, 429,119.26 and 108,558.30

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Solution

The fourth proportional to 286,004.18, 429,119.26 and 108,558.30 is: 162,880.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,004.18 : 429,119.26 = 108,558.30 : x
  2. Step 2: Convert to fraction form
    286,004.18/429,119.26 = 108,558.30/x
  3. Step 3: Cross multiply
    286,004.18x = 429,119.26 × 108,558.30
  4. Step 4: Simplify right side
    286,004.18x = 46,584,457,362.86
  5. Step 5: Solve for x
    x = 46,584,457,362.86/286,004.18
  6. Step 6: Final answer
    x = 162,880.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.