Finding the Fourth Proportional to 664,405.70, 996,316.95 and 264,913.70
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Solution
The fourth proportional to 664,405.70, 996,316.95 and 264,913.70 is: 397,254.28
Step by Step Solution
- Step 1: Write the proportion equation
664,405.70 : 996,316.95 = 264,913.70 : x - Step 2: Convert to fraction form
664,405.70/996,316.95 = 264,913.70/x - Step 3: Cross multiply
664,405.70x = 996,316.95 × 264,913.70 - Step 4: Simplify right side
664,405.70x = 263,938,009,597.22 - Step 5: Solve for x
x = 263,938,009,597.22/664,405.70 - Step 6: Final answer
x = 397,254.28
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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.