Finding the Fourth Proportional to 115,841.36, 159,813.57 and 70,482.98
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Solution
The fourth proportional to 115,841.36, 159,813.57 and 70,482.98 is: 97,237.61
Step by Step Solution
- Step 1: Write the proportion equation
115,841.36 : 159,813.57 = 70,482.98 : x - Step 2: Convert to fraction form
115,841.36/159,813.57 = 70,482.98/x - Step 3: Cross multiply
115,841.36x = 159,813.57 × 70,482.98 - Step 4: Simplify right side
115,841.36x = 11,264,136,658.04 - Step 5: Solve for x
x = 11,264,136,658.04/115,841.36 - Step 6: Final answer
x = 97,237.61
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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.