Home / 303,438.07-455,215.83-116,435.03

Finding the Fourth Proportional to 303,438.07, 455,215.83 and 116,435.03

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Solution

The fourth proportional to 303,438.07, 455,215.83 and 116,435.03 is: 174,675.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,438.07 : 455,215.83 = 116,435.03 : x
  2. Step 2: Convert to fraction form
    303,438.07/455,215.83 = 116,435.03/x
  3. Step 3: Cross multiply
    303,438.07x = 455,215.83 × 116,435.03
  4. Step 4: Simplify right side
    303,438.07x = 53,003,068,240.35
  5. Step 5: Solve for x
    x = 53,003,068,240.35/303,438.07
  6. Step 6: Final answer
    x = 174,675.08

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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.