Finding the Fourth Proportional to 505,916.58, 698,082.00 and 299,156.29
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Solution
The fourth proportional to 505,916.58, 698,082.00 and 299,156.29 is: 412,786.66
Step by Step Solution
- Step 1: Write the proportion equation
505,916.58 : 698,082.00 = 299,156.29 : x - Step 2: Convert to fraction form
505,916.58/698,082.00 = 299,156.29/x - Step 3: Cross multiply
505,916.58x = 698,082.00 × 299,156.29 - Step 4: Simplify right side
505,916.58x = 208,835,618,368.74 - Step 5: Solve for x
x = 208,835,618,368.74/505,916.58 - Step 6: Final answer
x = 412,786.66
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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.