Finding the Fourth Proportional to 216,943.84, 299,393.58 and 121,444.84
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Solution
The fourth proportional to 216,943.84, 299,393.58 and 121,444.84 is: 167,600.08
Step by Step Solution
- Step 1: Write the proportion equation
216,943.84 : 299,393.58 = 121,444.84 : x - Step 2: Convert to fraction form
216,943.84/299,393.58 = 121,444.84/x - Step 3: Cross multiply
216,943.84x = 299,393.58 × 121,444.84 - Step 4: Simplify right side
216,943.84x = 36,359,805,420.13 - Step 5: Solve for x
x = 36,359,805,420.13/216,943.84 - Step 6: Final answer
x = 167,600.08
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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.