Home / 215,483.04-322,558.92-140,441.76

Finding the Fourth Proportional to 215,483.04, 322,558.92 and 140,441.76

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Solution

The fourth proportional to 215,483.04, 322,558.92 and 140,441.76 is: 210,228.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,483.04 : 322,558.92 = 140,441.76 : x
  2. Step 2: Convert to fraction form
    215,483.04/322,558.92 = 140,441.76/x
  3. Step 3: Cross multiply
    215,483.04x = 322,558.92 × 140,441.76
  4. Step 4: Simplify right side
    215,483.04x = 45,300,742,428.50
  5. Step 5: Solve for x
    x = 45,300,742,428.50/215,483.04
  6. Step 6: Final answer
    x = 210,228.81

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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.