Home / 286,519.46-429,778.71-76,157.37

Finding the Fourth Proportional to 286,519.46, 429,778.71 and 76,157.37

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Solution

The fourth proportional to 286,519.46, 429,778.71 and 76,157.37 is: 114,235.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,519.46 : 429,778.71 = 76,157.37 : x
  2. Step 2: Convert to fraction form
    286,519.46/429,778.71 = 76,157.37/x
  3. Step 3: Cross multiply
    286,519.46x = 429,778.71 × 76,157.37
  4. Step 4: Simplify right side
    286,519.46x = 32,730,816,235.59
  5. Step 5: Solve for x
    x = 32,730,816,235.59/286,519.46
  6. Step 6: Final answer
    x = 114,235.93

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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.