Home / 286,439.32-429,656.25-174,150.54

Finding the Fourth Proportional to 286,439.32, 429,656.25 and 174,150.54

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Solution

The fourth proportional to 286,439.32, 429,656.25 and 174,150.54 is: 261,224.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,439.32 : 429,656.25 = 174,150.54 : x
  2. Step 2: Convert to fraction form
    286,439.32/429,656.25 = 174,150.54/x
  3. Step 3: Cross multiply
    286,439.32x = 429,656.25 × 174,150.54
  4. Step 4: Simplify right side
    286,439.32x = 74,824,866,329.94
  5. Step 5: Solve for x
    x = 74,824,866,329.94/286,439.32
  6. Step 6: Final answer
    x = 261,224.15

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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.