Home / 286,400.27-429,247.58-117,815.37

Finding the Fourth Proportional to 286,400.27, 429,247.58 and 117,815.37

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Solution

The fourth proportional to 286,400.27, 429,247.58 and 117,815.37 is: 176,577.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,400.27 : 429,247.58 = 117,815.37 : x
  2. Step 2: Convert to fraction form
    286,400.27/429,247.58 = 117,815.37/x
  3. Step 3: Cross multiply
    286,400.27x = 429,247.58 × 117,815.37
  4. Step 4: Simplify right side
    286,400.27x = 50,571,961,870.23
  5. Step 5: Solve for x
    x = 50,571,961,870.23/286,400.27
  6. Step 6: Final answer
    x = 176,577.92

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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.