Finding the Fourth Proportional to 664,466.10, 996,844.95 and 215,207.70
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Solution
The fourth proportional to 664,466.10, 996,844.95 and 215,207.70 is: 322,858.77
Step by Step Solution
- Step 1: Write the proportion equation
664,466.10 : 996,844.95 = 215,207.70 : x - Step 2: Convert to fraction form
664,466.10/996,844.95 = 215,207.70/x - Step 3: Cross multiply
664,466.10x = 996,844.95 × 215,207.70 - Step 4: Simplify right side
664,466.10x = 214,528,708,946.12 - Step 5: Solve for x
x = 214,528,708,946.12/664,466.10 - Step 6: Final answer
x = 322,858.77
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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.