Finding the Fourth Proportional to 279,901.84, 386,249.88 and 159,026.32
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Solution
The fourth proportional to 279,901.84, 386,249.88 and 159,026.32 is: 219,447.99
Step by Step Solution
- Step 1: Write the proportion equation
279,901.84 : 386,249.88 = 159,026.32 : x - Step 2: Convert to fraction form
279,901.84/386,249.88 = 159,026.32/x - Step 3: Cross multiply
279,901.84x = 386,249.88 × 159,026.32 - Step 4: Simplify right side
279,901.84x = 61,423,897,016.84 - Step 5: Solve for x
x = 61,423,897,016.84/279,901.84 - Step 6: Final answer
x = 219,447.99
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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.