Finding the Fourth Proportional to 68,988.24, 103,495.56 and 22,228.56
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Solution
The fourth proportional to 68,988.24, 103,495.56 and 22,228.56 is: 33,347.09
Step by Step Solution
- Step 1: Write the proportion equation
68,988.24 : 103,495.56 = 22,228.56 : x - Step 2: Convert to fraction form
68,988.24/103,495.56 = 22,228.56/x - Step 3: Cross multiply
68,988.24x = 103,495.56 × 22,228.56 - Step 4: Simplify right side
68,988.24x = 2,300,557,265.19 - Step 5: Solve for x
x = 2,300,557,265.19/68,988.24 - Step 6: Final answer
x = 33,347.09
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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.