Home / 219,014.20-328,630.65-124,317.10

Finding the Fourth Proportional to 219,014.20, 328,630.65 and 124,317.10

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Solution

The fourth proportional to 219,014.20, 328,630.65 and 124,317.10 is: 186,537.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,014.20 : 328,630.65 = 124,317.10 : x
  2. Step 2: Convert to fraction form
    219,014.20/328,630.65 = 124,317.10/x
  3. Step 3: Cross multiply
    219,014.20x = 328,630.65 × 124,317.10
  4. Step 4: Simplify right side
    219,014.20x = 40,854,409,379.12
  5. Step 5: Solve for x
    x = 40,854,409,379.12/219,014.20
  6. Step 6: Final answer
    x = 186,537.72

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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.