Home / 286,635.08-429,962.34-76,273.22

Finding the Fourth Proportional to 286,635.08, 429,962.34 and 76,273.22

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Solution

The fourth proportional to 286,635.08, 429,962.34 and 76,273.22 is: 114,412.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,635.08 : 429,962.34 = 76,273.22 : x
  2. Step 2: Convert to fraction form
    286,635.08/429,962.34 = 76,273.22/x
  3. Step 3: Cross multiply
    286,635.08x = 429,962.34 × 76,273.22
  4. Step 4: Simplify right side
    286,635.08x = 32,794,612,150.53
  5. Step 5: Solve for x
    x = 32,794,612,150.53/286,635.08
  6. Step 6: Final answer
    x = 114,412.42

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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.