Finding the Fourth Proportional to 283,972.93, 391,883.99 and 156,648.52
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Solution
The fourth proportional to 283,972.93, 391,883.99 and 156,648.52 is: 216,175.70
Step by Step Solution
- Step 1: Write the proportion equation
283,972.93 : 391,883.99 = 156,648.52 : x - Step 2: Convert to fraction form
283,972.93/391,883.99 = 156,648.52/x - Step 3: Cross multiply
283,972.93x = 391,883.99 × 156,648.52 - Step 4: Simplify right side
283,972.93x = 61,388,047,045.19 - Step 5: Solve for x
x = 61,388,047,045.19/283,972.93 - Step 6: Final answer
x = 216,175.70
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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.