Finding the Fourth Proportional to 226,304.80, 339,506.16 and 86,066.08
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Solution
The fourth proportional to 226,304.80, 339,506.16 and 86,066.08 is: 129,117.74
Step by Step Solution
- Step 1: Write the proportion equation
226,304.80 : 339,506.16 = 86,066.08 : x - Step 2: Convert to fraction form
226,304.80/339,506.16 = 86,066.08/x - Step 3: Cross multiply
226,304.80x = 339,506.16 × 86,066.08 - Step 4: Simplify right side
226,304.80x = 29,219,964,327.05 - Step 5: Solve for x
x = 29,219,964,327.05/226,304.80 - Step 6: Final answer
x = 129,117.74
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.