Home / 219,124.05-328,810.01-119,291.15

Finding the Fourth Proportional to 219,124.05, 328,810.01 and 119,291.15

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Solution

The fourth proportional to 219,124.05, 328,810.01 and 119,291.15 is: 179,004.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,124.05 : 328,810.01 = 119,291.15 : x
  2. Step 2: Convert to fraction form
    219,124.05/328,810.01 = 119,291.15/x
  3. Step 3: Cross multiply
    219,124.05x = 328,810.01 × 119,291.15
  4. Step 4: Simplify right side
    219,124.05x = 39,224,121,983.91
  5. Step 5: Solve for x
    x = 39,224,121,983.91/219,124.05
  6. Step 6: Final answer
    x = 179,004.18

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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.