Finding the Fourth Proportional to 418,267.98, 577,207.80 and 236,979.56
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Solution
The fourth proportional to 418,267.98, 577,207.80 and 236,979.56 is: 327,030.65
Step by Step Solution
- Step 1: Write the proportion equation
418,267.98 : 577,207.80 = 236,979.56 : x - Step 2: Convert to fraction form
418,267.98/577,207.80 = 236,979.56/x - Step 3: Cross multiply
418,267.98x = 577,207.80 × 236,979.56 - Step 4: Simplify right side
418,267.98x = 136,786,450,472.57 - Step 5: Solve for x
x = 136,786,450,472.57/418,267.98 - Step 6: Final answer
x = 327,030.65
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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.