Finding the Fourth Proportional to 665,895.42, 998,852.35 and 216,618.64
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Solution
The fourth proportional to 665,895.42, 998,852.35 and 216,618.64 is: 324,930.95
Step by Step Solution
- Step 1: Write the proportion equation
665,895.42 : 998,852.35 = 216,618.64 : x - Step 2: Convert to fraction form
665,895.42/998,852.35 = 216,618.64/x - Step 3: Cross multiply
665,895.42x = 998,852.35 × 216,618.64 - Step 4: Simplify right side
665,895.42x = 216,370,032,623.54 - Step 5: Solve for x
x = 216,370,032,623.54/665,895.42 - Step 6: Final answer
x = 324,930.95
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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.