Home / 409,379.04-614,124.54-143,077.86

Finding the Fourth Proportional to 409,379.04, 614,124.54 and 143,077.86

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Solution

The fourth proportional to 409,379.04, 614,124.54 and 143,077.86 is: 214,636.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,379.04 : 614,124.54 = 143,077.86 : x
  2. Step 2: Convert to fraction form
    409,379.04/614,124.54 = 143,077.86/x
  3. Step 3: Cross multiply
    409,379.04x = 614,124.54 × 143,077.86
  4. Step 4: Simplify right side
    409,379.04x = 87,867,624,956.68
  5. Step 5: Solve for x
    x = 87,867,624,956.68/409,379.04
  6. Step 6: Final answer
    x = 214,636.35

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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.