Finding the Fourth Proportional to 209,094.08, 313,640.64 and 90,750.08
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Solution
The fourth proportional to 209,094.08, 313,640.64 and 90,750.08 is: 136,124.91
Step by Step Solution
- Step 1: Write the proportion equation
209,094.08 : 313,640.64 = 90,750.08 : x - Step 2: Convert to fraction form
209,094.08/313,640.64 = 90,750.08/x - Step 3: Cross multiply
209,094.08x = 313,640.64 × 90,750.08 - Step 4: Simplify right side
209,094.08x = 28,462,913,171.25 - Step 5: Solve for x
x = 28,462,913,171.25/209,094.08 - Step 6: Final answer
x = 136,124.91
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.