Finding the Fourth Proportional to 304,618.42, 420,359.70 and 168,642.82
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Solution
The fourth proportional to 304,618.42, 420,359.70 and 168,642.82 is: 232,719.50
Step by Step Solution
- Step 1: Write the proportion equation
304,618.42 : 420,359.70 = 168,642.82 : x - Step 2: Convert to fraction form
304,618.42/420,359.70 = 168,642.82/x - Step 3: Cross multiply
304,618.42x = 420,359.70 × 168,642.82 - Step 4: Simplify right side
304,618.42x = 70,890,645,222.35 - Step 5: Solve for x
x = 70,890,645,222.35/304,618.42 - Step 6: Final answer
x = 232,719.50
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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.