Finding the Fourth Proportional to 202,774.05, 279,830.00 and 112,136.11
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Solution
The fourth proportional to 202,774.05, 279,830.00 and 112,136.11 is: 154,748.84
Step by Step Solution
- Step 1: Write the proportion equation
202,774.05 : 279,830.00 = 112,136.11 : x - Step 2: Convert to fraction form
202,774.05/279,830.00 = 112,136.11/x - Step 3: Cross multiply
202,774.05x = 279,830.00 × 112,136.11 - Step 4: Simplify right side
202,774.05x = 31,379,048,501.05 - Step 5: Solve for x
x = 31,379,048,501.05/202,774.05 - Step 6: Final answer
x = 154,748.84
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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.