Finding the Fourth Proportional to 304,655.68, 420,424.50 and 170,519.68
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Solution
The fourth proportional to 304,655.68, 420,424.50 and 170,519.68 is: 235,316.97
Step by Step Solution
- Step 1: Write the proportion equation
304,655.68 : 420,424.50 = 170,519.68 : x - Step 2: Convert to fraction form
304,655.68/420,424.50 = 170,519.68/x - Step 3: Cross multiply
304,655.68x = 420,424.50 × 170,519.68 - Step 4: Simplify right side
304,655.68x = 71,690,651,204.16 - Step 5: Solve for x
x = 71,690,651,204.16/304,655.68 - Step 6: Final answer
x = 235,316.97
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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.