Finding the Fourth Proportional to 215,684.71, 297,647.06 and 118,892.00
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Solution
The fourth proportional to 215,684.71, 297,647.06 and 118,892.00 is: 164,072.15
Step by Step Solution
- Step 1: Write the proportion equation
215,684.71 : 297,647.06 = 118,892.00 : x - Step 2: Convert to fraction form
215,684.71/297,647.06 = 118,892.00/x - Step 3: Cross multiply
215,684.71x = 297,647.06 × 118,892.00 - Step 4: Simplify right side
215,684.71x = 35,387,854,407.18 - Step 5: Solve for x
x = 35,387,854,407.18/215,684.71 - Step 6: Final answer
x = 164,072.15
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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.