Finding the Fourth Proportional to 157,425.08, 217,246.61 and 85,805.07
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Solution
The fourth proportional to 157,425.08, 217,246.61 and 85,805.07 is: 118,411.00
Step by Step Solution
- Step 1: Write the proportion equation
157,425.08 : 217,246.61 = 85,805.07 : x - Step 2: Convert to fraction form
157,425.08/217,246.61 = 85,805.07/x - Step 3: Cross multiply
157,425.08x = 217,246.61 × 85,805.07 - Step 4: Simplify right side
157,425.08x = 18,640,860,149.29 - Step 5: Solve for x
x = 18,640,860,149.29/157,425.08 - Step 6: Final answer
x = 118,411.00
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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.