Finding the Fourth Proportional to 418,133.88, 577,026.18 and 246,058.56
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Solution
The fourth proportional to 418,133.88, 577,026.18 and 246,058.56 is: 339,561.65
Step by Step Solution
- Step 1: Write the proportion equation
418,133.88 : 577,026.18 = 246,058.56 : x - Step 2: Convert to fraction form
418,133.88/577,026.18 = 246,058.56/x - Step 3: Cross multiply
418,133.88x = 577,026.18 × 246,058.56 - Step 4: Simplify right side
418,133.88x = 141,982,230,933.10 - Step 5: Solve for x
x = 141,982,230,933.10/418,133.88 - Step 6: Final answer
x = 339,561.65
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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.