Finding the Fourth Proportional to 283,344.75, 391,006.58 and 156,017.07
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Solution
The fourth proportional to 283,344.75, 391,006.58 and 156,017.07 is: 215,298.50
Step by Step Solution
- Step 1: Write the proportion equation
283,344.75 : 391,006.58 = 156,017.07 : x - Step 2: Convert to fraction form
283,344.75/391,006.58 = 156,017.07/x - Step 3: Cross multiply
283,344.75x = 391,006.58 × 156,017.07 - Step 4: Simplify right side
283,344.75x = 61,003,700,182.24 - Step 5: Solve for x
x = 61,003,700,182.24/283,344.75 - Step 6: Final answer
x = 215,298.50
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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.