Finding the Fourth Proportional to 216,824.65, 299,208.18 and 120,032.08
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Solution
The fourth proportional to 216,824.65, 299,208.18 and 120,032.08 is: 165,638.82
Step by Step Solution
- Step 1: Write the proportion equation
216,824.65 : 299,208.18 = 120,032.08 : x - Step 2: Convert to fraction form
216,824.65/299,208.18 = 120,032.08/x - Step 3: Cross multiply
216,824.65x = 299,208.18 × 120,032.08 - Step 4: Simplify right side
216,824.65x = 35,914,580,198.41 - Step 5: Solve for x
x = 35,914,580,198.41/216,824.65 - Step 6: Final answer
x = 165,638.82
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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.