Finding the Fourth Proportional to 420,116.44, 579,753.62 and 229,118.44
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Solution
The fourth proportional to 420,116.44, 579,753.62 and 229,118.44 is: 316,179.59
Step by Step Solution
- Step 1: Write the proportion equation
420,116.44 : 579,753.62 = 229,118.44 : x - Step 2: Convert to fraction form
420,116.44/579,753.62 = 229,118.44/x - Step 3: Cross multiply
420,116.44x = 579,753.62 × 229,118.44 - Step 4: Simplify right side
420,116.44x = 132,832,244,998.75 - Step 5: Solve for x
x = 132,832,244,998.75/420,116.44 - Step 6: Final answer
x = 316,179.59
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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.