Finding the Fourth Proportional to 304,458.41, 420,142.21 and 168,498.09
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Solution
The fourth proportional to 304,458.41, 420,142.21 and 168,498.09 is: 232,521.61
Step by Step Solution
- Step 1: Write the proportion equation
304,458.41 : 420,142.21 = 168,498.09 : x - Step 2: Convert to fraction form
304,458.41/420,142.21 = 168,498.09/x - Step 3: Cross multiply
304,458.41x = 420,142.21 × 168,498.09 - Step 4: Simplify right side
304,458.41x = 70,793,159,492.13 - Step 5: Solve for x
x = 70,793,159,492.13/304,458.41 - Step 6: Final answer
x = 232,521.61
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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.