Finding the Fourth Proportional to 215,800.84, 323,740.14 and 66,038.44
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Solution
The fourth proportional to 215,800.84, 323,740.14 and 66,038.44 is: 99,069.56
Step by Step Solution
- Step 1: Write the proportion equation
215,800.84 : 323,740.14 = 66,038.44 : x - Step 2: Convert to fraction form
215,800.84/323,740.14 = 66,038.44/x - Step 3: Cross multiply
215,800.84x = 323,740.14 × 66,038.44 - Step 4: Simplify right side
215,800.84x = 21,379,293,810.98 - Step 5: Solve for x
x = 21,379,293,810.98/215,800.84 - Step 6: Final answer
x = 99,069.56
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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.