Home / 286,346.37-429,329.97-136,609.77

Finding the Fourth Proportional to 286,346.37, 429,329.97 and 136,609.77

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Solution

The fourth proportional to 286,346.37, 429,329.97 and 136,609.77 is: 204,824.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,346.37 : 429,329.97 = 136,609.77 : x
  2. Step 2: Convert to fraction form
    286,346.37/429,329.97 = 136,609.77/x
  3. Step 3: Cross multiply
    286,346.37x = 429,329.97 × 136,609.77
  4. Step 4: Simplify right side
    286,346.37x = 58,650,668,455.81
  5. Step 5: Solve for x
    x = 58,650,668,455.81/286,346.37
  6. Step 6: Final answer
    x = 204,824.21

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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.