Finding the Fourth Proportional to 659,623.96, 910,281.36 and 373,137.96
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Solution
The fourth proportional to 659,623.96, 910,281.36 and 373,137.96 is: 514,930.55
Step by Step Solution
- Step 1: Write the proportion equation
659,623.96 : 910,281.36 = 373,137.96 : x - Step 2: Convert to fraction form
659,623.96/910,281.36 = 373,137.96/x - Step 3: Cross multiply
659,623.96x = 910,281.36 × 373,137.96 - Step 4: Simplify right side
659,623.96x = 339,660,529,696.43 - Step 5: Solve for x
x = 339,660,529,696.43/659,623.96 - Step 6: Final answer
x = 514,930.55
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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.