Finding the Fourth Proportional to 661,232.93, 991,942.80 and 211,848.68
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Solution
The fourth proportional to 661,232.93, 991,942.80 and 211,848.68 is: 317,802.95
Step by Step Solution
- Step 1: Write the proportion equation
661,232.93 : 991,942.80 = 211,848.68 : x - Step 2: Convert to fraction form
661,232.93/991,942.80 = 211,848.68/x - Step 3: Cross multiply
661,232.93x = 991,942.80 × 211,848.68 - Step 4: Simplify right side
661,232.93x = 210,141,772,815.50 - Step 5: Solve for x
x = 210,141,772,815.50/661,232.93 - Step 6: Final answer
x = 317,802.95
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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.