Finding the Fourth Proportional to 283,604.93, 391,377.43 and 156,285.08
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Solution
The fourth proportional to 283,604.93, 391,377.43 and 156,285.08 is: 215,674.86
Step by Step Solution
- Step 1: Write the proportion equation
283,604.93 : 391,377.43 = 156,285.08 : x - Step 2: Convert to fraction form
283,604.93/391,377.43 = 156,285.08/x - Step 3: Cross multiply
283,604.93x = 391,377.43 × 156,285.08 - Step 4: Simplify right side
283,604.93x = 61,166,454,131.54 - Step 5: Solve for x
x = 61,166,454,131.54/283,604.93 - Step 6: Final answer
x = 215,674.86
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.