Finding the Fourth Proportional to 664,471.36, 996,838.32 and 243,750.88
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Solution
The fourth proportional to 664,471.36, 996,838.32 and 243,750.88 is: 365,674.48
Step by Step Solution
- Step 1: Write the proportion equation
664,471.36 : 996,838.32 = 243,750.88 : x - Step 2: Convert to fraction form
664,471.36/996,838.32 = 243,750.88/x - Step 3: Cross multiply
664,471.36x = 996,838.32 × 243,750.88 - Step 4: Simplify right side
664,471.36x = 242,980,217,717.72 - Step 5: Solve for x
x = 242,980,217,717.72/664,471.36 - Step 6: Final answer
x = 365,674.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.