Finding the Fourth Proportional to 664,460.10, 996,835.95 and 215,201.70
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Solution
The fourth proportional to 664,460.10, 996,835.95 and 215,201.70 is: 322,849.77
Step by Step Solution
- Step 1: Write the proportion equation
664,460.10 : 996,835.95 = 215,201.70 : x - Step 2: Convert to fraction form
664,460.10/996,835.95 = 215,201.70/x - Step 3: Cross multiply
664,460.10x = 996,835.95 × 215,201.70 - Step 4: Simplify right side
664,460.10x = 214,520,791,061.12 - Step 5: Solve for x
x = 214,520,791,061.12/664,460.10 - Step 6: Final answer
x = 322,849.77
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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.