Home / 286,412.39-429,563.22-272,187.32

Finding the Fourth Proportional to 286,412.39, 429,563.22 and 272,187.32

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Solution

The fourth proportional to 286,412.39, 429,563.22 and 272,187.32 is: 408,228.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,412.39 : 429,563.22 = 272,187.32 : x
  2. Step 2: Convert to fraction form
    286,412.39/429,563.22 = 272,187.32/x
  3. Step 3: Cross multiply
    286,412.39x = 429,563.22 × 272,187.32
  4. Step 4: Simplify right side
    286,412.39x = 116,921,659,474.55
  5. Step 5: Solve for x
    x = 116,921,659,474.55/286,412.39
  6. Step 6: Final answer
    x = 408,228.36

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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.