Finding the Fourth Proportional to 371,159.97, 512,067.06 and 210,013.31
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Solution
The fourth proportional to 371,159.97, 512,067.06 and 210,013.31 is: 289,742.71
Step by Step Solution
- Step 1: Write the proportion equation
371,159.97 : 512,067.06 = 210,013.31 : x - Step 2: Convert to fraction form
371,159.97/512,067.06 = 210,013.31/x - Step 3: Cross multiply
371,159.97x = 512,067.06 × 210,013.31 - Step 4: Simplify right side
371,159.97x = 107,540,895,652.23 - Step 5: Solve for x
x = 107,540,895,652.23/371,159.97 - Step 6: Final answer
x = 289,742.71
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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.