Finding the Fourth Proportional to 418,326.49, 577,219.26 and 237,000.97
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Solution
The fourth proportional to 418,326.49, 577,219.26 and 237,000.97 is: 327,020.95
Step by Step Solution
- Step 1: Write the proportion equation
418,326.49 : 577,219.26 = 237,000.97 : x - Step 2: Convert to fraction form
418,326.49/577,219.26 = 237,000.97/x - Step 3: Cross multiply
418,326.49x = 577,219.26 × 237,000.97 - Step 4: Simplify right side
418,326.49x = 136,801,524,522.68 - Step 5: Solve for x
x = 136,801,524,522.68/418,326.49 - Step 6: Final answer
x = 327,020.95
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1.5x scale
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.