Finding the Fourth Proportional to 304,654.68, 420,423.12 and 170,518.68
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Solution
The fourth proportional to 304,654.68, 420,423.12 and 170,518.68 is: 235,315.59
Step by Step Solution
- Step 1: Write the proportion equation
304,654.68 : 420,423.12 = 170,518.68 : x - Step 2: Convert to fraction form
304,654.68/420,423.12 = 170,518.68/x - Step 3: Cross multiply
304,654.68x = 420,423.12 × 170,518.68 - Step 4: Simplify right side
304,654.68x = 71,689,995,463.88 - Step 5: Solve for x
x = 71,689,995,463.88/304,654.68 - Step 6: Final answer
x = 235,315.59
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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.