Finding the Fourth Proportional to 278,903.74, 418,189.26 and 110,448.23
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Solution
The fourth proportional to 278,903.74, 418,189.26 and 110,448.23 is: 165,606.47
Step by Step Solution
- Step 1: Write the proportion equation
278,903.74 : 418,189.26 = 110,448.23 : x - Step 2: Convert to fraction form
278,903.74/418,189.26 = 110,448.23/x - Step 3: Cross multiply
278,903.74x = 418,189.26 × 110,448.23 - Step 4: Simplify right side
278,903.74x = 46,188,263,572.01 - Step 5: Solve for x
x = 46,188,263,572.01/278,903.74 - Step 6: Final answer
x = 165,606.47
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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.