Home / 297,187.07-445,779.05-72,548.69

Finding the Fourth Proportional to 297,187.07, 445,779.05 and 72,548.69

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Solution

The fourth proportional to 297,187.07, 445,779.05 and 72,548.69 is: 108,822.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,187.07 : 445,779.05 = 72,548.69 : x
  2. Step 2: Convert to fraction form
    297,187.07/445,779.05 = 72,548.69/x
  3. Step 3: Cross multiply
    297,187.07x = 445,779.05 × 72,548.69
  4. Step 4: Simplify right side
    297,187.07x = 32,340,686,106.94
  5. Step 5: Solve for x
    x = 32,340,686,106.94/297,187.07
  6. Step 6: Final answer
    x = 108,822.66

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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.