Finding the Fourth Proportional to 159,553.36, 239,374.39 and 69,603.94
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Solution
The fourth proportional to 159,553.36, 239,374.39 and 69,603.94 is: 104,425.26
Step by Step Solution
- Step 1: Write the proportion equation
159,553.36 : 239,374.39 = 69,603.94 : x - Step 2: Convert to fraction form
159,553.36/239,374.39 = 69,603.94/x - Step 3: Cross multiply
159,553.36x = 239,374.39 × 69,603.94 - Step 4: Simplify right side
159,553.36x = 16,661,400,679.10 - Step 5: Solve for x
x = 16,661,400,679.10/159,553.36 - Step 6: Final answer
x = 104,425.26
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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.