Home / 286,723.53-429,919.24-97,120.35

Finding the Fourth Proportional to 286,723.53, 429,919.24 and 97,120.35

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Solution

The fourth proportional to 286,723.53, 429,919.24 and 97,120.35 is: 145,624.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,723.53 : 429,919.24 = 97,120.35 : x
  2. Step 2: Convert to fraction form
    286,723.53/429,919.24 = 97,120.35/x
  3. Step 3: Cross multiply
    286,723.53x = 429,919.24 × 97,120.35
  4. Step 4: Simplify right side
    286,723.53x = 41,753,907,060.53
  5. Step 5: Solve for x
    x = 41,753,907,060.53/286,723.53
  6. Step 6: Final answer
    x = 145,624.28

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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.