Home / 306,102.21-458,389.69-193,442.55

Finding the Fourth Proportional to 306,102.21, 458,389.69 and 193,442.55

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Solution

The fourth proportional to 306,102.21, 458,389.69 and 193,442.55 is: 289,681.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,102.21 : 458,389.69 = 193,442.55 : x
  2. Step 2: Convert to fraction form
    306,102.21/458,389.69 = 193,442.55/x
  3. Step 3: Cross multiply
    306,102.21x = 458,389.69 × 193,442.55
  4. Step 4: Simplify right side
    306,102.21x = 88,672,070,043.70
  5. Step 5: Solve for x
    x = 88,672,070,043.70/306,102.21
  6. Step 6: Final answer
    x = 289,681.25

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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.