Finding the Fourth Proportional to 418,020.48, 577,107.45 and 275,195.70
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Solution
The fourth proportional to 418,020.48, 577,107.45 and 275,195.70 is: 379,927.53
Step by Step Solution
- Step 1: Write the proportion equation
418,020.48 : 577,107.45 = 275,195.70 : x - Step 2: Convert to fraction form
418,020.48/577,107.45 = 275,195.70/x - Step 3: Cross multiply
418,020.48x = 577,107.45 × 275,195.70 - Step 4: Simplify right side
418,020.48x = 158,817,488,677.97 - Step 5: Solve for x
x = 158,817,488,677.97/418,020.48 - Step 6: Final answer
x = 379,927.53
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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.