Finding the Fourth Proportional to 216,925.68, 299,360.62 and 124,994.28
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Solution
The fourth proportional to 216,925.68, 299,360.62 and 124,994.28 is: 172,493.94
Step by Step Solution
- Step 1: Write the proportion equation
216,925.68 : 299,360.62 = 124,994.28 : x - Step 2: Convert to fraction form
216,925.68/299,360.62 = 124,994.28/x - Step 3: Cross multiply
216,925.68x = 299,360.62 × 124,994.28 - Step 4: Simplify right side
216,925.68x = 37,418,365,157.25 - Step 5: Solve for x
x = 37,418,365,157.25/216,925.68 - Step 6: Final answer
x = 172,493.94
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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.