Finding the Fourth Proportional to 662,497.28, 993,536.75 and 213,117.96
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Solution
The fourth proportional to 662,497.28, 993,536.75 and 213,117.96 is: 319,609.65
Step by Step Solution
- Step 1: Write the proportion equation
662,497.28 : 993,536.75 = 213,117.96 : x - Step 2: Convert to fraction form
662,497.28/993,536.75 = 213,117.96/x - Step 3: Cross multiply
662,497.28x = 993,536.75 × 213,117.96 - Step 4: Simplify right side
662,497.28x = 211,740,525,345.03 - Step 5: Solve for x
x = 211,740,525,345.03/662,497.28 - Step 6: Final answer
x = 319,609.65
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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.