Finding the Fourth Proportional to 497,932.14, 687,143.12 and 283,072.26
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Solution
The fourth proportional to 497,932.14, 687,143.12 and 283,072.26 is: 390,637.88
Step by Step Solution
- Step 1: Write the proportion equation
497,932.14 : 687,143.12 = 283,072.26 : x - Step 2: Convert to fraction form
497,932.14/687,143.12 = 283,072.26/x - Step 3: Cross multiply
497,932.14x = 687,143.12 × 283,072.26 - Step 4: Simplify right side
497,932.14x = 194,511,154,506.49 - Step 5: Solve for x
x = 194,511,154,506.49/497,932.14 - Step 6: Final answer
x = 390,637.88
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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.