Finding the Fourth Proportional to 208,083.03, 312,050.68 and 74,927.53
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Solution
The fourth proportional to 208,083.03, 312,050.68 and 74,927.53 is: 112,364.70
Step by Step Solution
- Step 1: Write the proportion equation
208,083.03 : 312,050.68 = 74,927.53 : x - Step 2: Convert to fraction form
208,083.03/312,050.68 = 74,927.53/x - Step 3: Cross multiply
208,083.03x = 312,050.68 × 74,927.53 - Step 4: Simplify right side
208,083.03x = 23,381,186,889.96 - Step 5: Solve for x
x = 23,381,186,889.96/208,083.03 - Step 6: Final answer
x = 112,364.70
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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.