Finding the Fourth Proportional to 331,355.70, 497,098.35 and 141,815.70
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Solution
The fourth proportional to 331,355.70, 497,098.35 and 141,815.70 is: 212,751.28
Step by Step Solution
- Step 1: Write the proportion equation
331,355.70 : 497,098.35 = 141,815.70 : x - Step 2: Convert to fraction form
331,355.70/497,098.35 = 141,815.70/x - Step 3: Cross multiply
331,355.70x = 497,098.35 × 141,815.70 - Step 4: Simplify right side
331,355.70x = 70,496,350,474.10 - Step 5: Solve for x
x = 70,496,350,474.10/331,355.70 - Step 6: Final answer
x = 212,751.28
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1.5x scale
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.