Finding the Fourth Proportional to 665,904.41, 998,865.84 and 216,627.62
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Solution
The fourth proportional to 665,904.41, 998,865.84 and 216,627.62 is: 324,944.43
Step by Step Solution
- Step 1: Write the proportion equation
665,904.41 : 998,865.84 = 216,627.62 : x - Step 2: Convert to fraction form
665,904.41/998,865.84 = 216,627.62/x - Step 3: Cross multiply
665,904.41x = 998,865.84 × 216,627.62 - Step 4: Simplify right side
665,904.41x = 216,381,925,436.53 - Step 5: Solve for x
x = 216,381,925,436.53/665,904.41 - Step 6: Final answer
x = 324,944.43
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.