Finding the Fourth Proportional to 159,857.49, 220,603.36 and 88,237.53
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Solution
The fourth proportional to 159,857.49, 220,603.36 and 88,237.53 is: 121,767.80
Step by Step Solution
- Step 1: Write the proportion equation
159,857.49 : 220,603.36 = 88,237.53 : x - Step 2: Convert to fraction form
159,857.49/220,603.36 = 88,237.53/x - Step 3: Cross multiply
159,857.49x = 220,603.36 × 88,237.53 - Step 4: Simplify right side
159,857.49x = 19,465,495,596.10 - Step 5: Solve for x
x = 19,465,495,596.10/159,857.49 - Step 6: Final answer
x = 121,767.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.