Home / 286,277.22-429,415.89-75,931.62

Finding the Fourth Proportional to 286,277.22, 429,415.89 and 75,931.62

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Solution

The fourth proportional to 286,277.22, 429,415.89 and 75,931.62 is: 113,897.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,277.22 : 429,415.89 = 75,931.62 : x
  2. Step 2: Convert to fraction form
    286,277.22/429,415.89 = 75,931.62/x
  3. Step 3: Cross multiply
    286,277.22x = 429,415.89 × 75,931.62
  4. Step 4: Simplify right side
    286,277.22x = 32,606,244,181.44
  5. Step 5: Solve for x
    x = 32,606,244,181.44/286,277.22
  6. Step 6: Final answer
    x = 113,897.45

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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.