Finding the Fourth Proportional to 216,687.17, 299,043.95 and 121,224.62
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Solution
The fourth proportional to 216,687.17, 299,043.95 and 121,224.62 is: 167,298.73
Step by Step Solution
- Step 1: Write the proportion equation
216,687.17 : 299,043.95 = 121,224.62 : x - Step 2: Convert to fraction form
216,687.17/299,043.95 = 121,224.62/x - Step 3: Cross multiply
216,687.17x = 299,043.95 × 121,224.62 - Step 4: Simplify right side
216,687.17x = 36,251,487,100.71 - Step 5: Solve for x
x = 36,251,487,100.71/216,687.17 - Step 6: Final answer
x = 167,298.73
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1.5x scale
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.