Home / 305,730.10-458,206.35-272,293.30

Finding the Fourth Proportional to 305,730.10, 458,206.35 and 272,293.30

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Solution

The fourth proportional to 305,730.10, 458,206.35 and 272,293.30 is: 408,093.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,730.10 : 458,206.35 = 272,293.30 : x
  2. Step 2: Convert to fraction form
    305,730.10/458,206.35 = 272,293.30/x
  3. Step 3: Cross multiply
    305,730.10x = 458,206.35 × 272,293.30
  4. Step 4: Simplify right side
    305,730.10x = 124,766,519,122.46
  5. Step 5: Solve for x
    x = 124,766,519,122.46/305,730.10
  6. Step 6: Final answer
    x = 408,093.67

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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.