Home / 301,988.15-454,779.77-263,015.81

Finding the Fourth Proportional to 301,988.15, 454,779.77 and 263,015.81

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Solution

The fourth proportional to 301,988.15, 454,779.77 and 263,015.81 is: 396,089.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,988.15 : 454,779.77 = 263,015.81 : x
  2. Step 2: Convert to fraction form
    301,988.15/454,779.77 = 263,015.81/x
  3. Step 3: Cross multiply
    301,988.15x = 454,779.77 × 263,015.81
  4. Step 4: Simplify right side
    301,988.15x = 119,614,267,694.61
  5. Step 5: Solve for x
    x = 119,614,267,694.61/301,988.15
  6. Step 6: Final answer
    x = 396,089.28

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.