Home / 303,903.03-455,860.41-93,540.75

Finding the Fourth Proportional to 303,903.03, 455,860.41 and 93,540.75

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Solution

The fourth proportional to 303,903.03, 455,860.41 and 93,540.75 is: 140,312.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,903.03 : 455,860.41 = 93,540.75 : x
  2. Step 2: Convert to fraction form
    303,903.03/455,860.41 = 93,540.75/x
  3. Step 3: Cross multiply
    303,903.03x = 455,860.41 × 93,540.75
  4. Step 4: Simplify right side
    303,903.03x = 42,641,524,646.71
  5. Step 5: Solve for x
    x = 42,641,524,646.71/303,903.03
  6. Step 6: Final answer
    x = 140,312.93

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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.