Home / 219,130.64-328,559.24-100,649.92

Finding the Fourth Proportional to 219,130.64, 328,559.24 and 100,649.92

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Solution

The fourth proportional to 219,130.64, 328,559.24 and 100,649.92 is: 150,912.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,130.64 : 328,559.24 = 100,649.92 : x
  2. Step 2: Convert to fraction form
    219,130.64/328,559.24 = 100,649.92/x
  3. Step 3: Cross multiply
    219,130.64x = 328,559.24 × 100,649.92
  4. Step 4: Simplify right side
    219,130.64x = 33,069,461,221.26
  5. Step 5: Solve for x
    x = 33,069,461,221.26/219,130.64
  6. Step 6: Final answer
    x = 150,912.08

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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.