Finding the Fourth Proportional to 420,252.48, 579,955.68 and 229,267.44
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Solution
The fourth proportional to 420,252.48, 579,955.68 and 229,267.44 is: 316,393.03
Step by Step Solution
- Step 1: Write the proportion equation
420,252.48 : 579,955.68 = 229,267.44 : x - Step 2: Convert to fraction form
420,252.48/579,955.68 = 229,267.44/x - Step 3: Cross multiply
420,252.48x = 579,955.68 × 229,267.44 - Step 4: Simplify right side
420,252.48x = 132,964,954,067.06 - Step 5: Solve for x
x = 132,964,954,067.06/420,252.48 - Step 6: Final answer
x = 316,393.03
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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.