Finding the Fourth Proportional to 304,636.68, 420,398.28 and 170,500.68
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Solution
The fourth proportional to 304,636.68, 420,398.28 and 170,500.68 is: 235,290.75
Step by Step Solution
- Step 1: Write the proportion equation
304,636.68 : 420,398.28 = 170,500.68 : x - Step 2: Convert to fraction form
304,636.68/420,398.28 = 170,500.68/x - Step 3: Cross multiply
304,636.68x = 420,398.28 × 170,500.68 - Step 4: Simplify right side
304,636.68x = 71,678,192,610.83 - Step 5: Solve for x
x = 71,678,192,610.83/304,636.68 - Step 6: Final answer
x = 235,290.75
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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.