Finding the Fourth Proportional to 215,008.76, 296,715.62 and 118,216.68
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Solution
The fourth proportional to 215,008.76, 296,715.62 and 118,216.68 is: 163,140.96
Step by Step Solution
- Step 1: Write the proportion equation
215,008.76 : 296,715.62 = 118,216.68 : x - Step 2: Convert to fraction form
215,008.76/296,715.62 = 118,216.68/x - Step 3: Cross multiply
215,008.76x = 296,715.62 × 118,216.68 - Step 4: Simplify right side
215,008.76x = 35,076,735,500.54 - Step 5: Solve for x
x = 35,076,735,500.54/215,008.76 - Step 6: Final answer
x = 163,140.96
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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.