Home / 302,947.74-454,372.35-143,023.37

Finding the Fourth Proportional to 302,947.74, 454,372.35 and 143,023.37

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Solution

The fourth proportional to 302,947.74, 454,372.35 and 143,023.37 is: 214,511.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,947.74 : 454,372.35 = 143,023.37 : x
  2. Step 2: Convert to fraction form
    302,947.74/454,372.35 = 143,023.37/x
  3. Step 3: Cross multiply
    302,947.74x = 454,372.35 × 143,023.37
  4. Step 4: Simplify right side
    302,947.74x = 64,985,862,459.96
  5. Step 5: Solve for x
    x = 64,985,862,459.96/302,947.74
  6. Step 6: Final answer
    x = 214,511.79

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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.