Finding the Fourth Proportional to 418,335.26, 577,307.16 and 227,348.70
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Solution
The fourth proportional to 418,335.26, 577,307.16 and 227,348.70 is: 313,743.65
Step by Step Solution
- Step 1: Write the proportion equation
418,335.26 : 577,307.16 = 227,348.70 : x - Step 2: Convert to fraction form
418,335.26/577,307.16 = 227,348.70/x - Step 3: Cross multiply
418,335.26x = 577,307.16 × 227,348.70 - Step 4: Simplify right side
418,335.26x = 131,250,032,326.69 - Step 5: Solve for x
x = 131,250,032,326.69/418,335.26 - Step 6: Final answer
x = 313,743.65
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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.