Finding the Fourth Proportional to 498,058.13, 687,319.35 and 271,703.63
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Solution
The fourth proportional to 498,058.13, 687,319.35 and 271,703.63 is: 374,950.54
Step by Step Solution
- Step 1: Write the proportion equation
498,058.13 : 687,319.35 = 271,703.63 : x - Step 2: Convert to fraction form
498,058.13/687,319.35 = 271,703.63/x - Step 3: Cross multiply
498,058.13x = 687,319.35 × 271,703.63 - Step 4: Simplify right side
498,058.13x = 186,747,162,364.24 - Step 5: Solve for x
x = 186,747,162,364.24/498,058.13 - Step 6: Final answer
x = 374,950.54
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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.