Home / 378,810.68-567,526.91-220,559.36

Finding the Fourth Proportional to 378,810.68, 567,526.91 and 220,559.36

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Solution

The fourth proportional to 378,810.68, 567,526.91 and 220,559.36 is: 330,437.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,810.68 : 567,526.91 = 220,559.36 : x
  2. Step 2: Convert to fraction form
    378,810.68/567,526.91 = 220,559.36/x
  3. Step 3: Cross multiply
    378,810.68x = 567,526.91 × 220,559.36
  4. Step 4: Simplify right side
    378,810.68x = 125,173,368,111.95
  5. Step 5: Solve for x
    x = 125,173,368,111.95/378,810.68
  6. Step 6: Final answer
    x = 330,437.81

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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.