Finding the Fourth Proportional to 304,672.35, 420,442.71 and 168,703.38
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Solution
The fourth proportional to 304,672.35, 420,442.71 and 168,703.38 is: 232,807.82
Step by Step Solution
- Step 1: Write the proportion equation
304,672.35 : 420,442.71 = 168,703.38 : x - Step 2: Convert to fraction form
304,672.35/420,442.71 = 168,703.38/x - Step 3: Cross multiply
304,672.35x = 420,442.71 × 168,703.38 - Step 4: Simplify right side
304,672.35x = 70,930,106,273.36 - Step 5: Solve for x
x = 70,930,106,273.36/304,672.35 - Step 6: Final answer
x = 232,807.82
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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.