Finding the Fourth Proportional to 226,421.40, 312,364.62 and 141,390.84
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Solution
The fourth proportional to 226,421.40, 312,364.62 and 141,390.84 is: 195,058.84
Step by Step Solution
- Step 1: Write the proportion equation
226,421.40 : 312,364.62 = 141,390.84 : x - Step 2: Convert to fraction form
226,421.40/312,364.62 = 141,390.84/x - Step 3: Cross multiply
226,421.40x = 312,364.62 × 141,390.84 - Step 4: Simplify right side
226,421.40x = 44,165,496,008.08 - Step 5: Solve for x
x = 44,165,496,008.08/226,421.40 - Step 6: Final answer
x = 195,058.84
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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.