Finding the Fourth Proportional to 369,378.17, 509,741.84 and 208,233.23
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Solution
The fourth proportional to 369,378.17, 509,741.84 and 208,233.23 is: 287,361.83
Step by Step Solution
- Step 1: Write the proportion equation
369,378.17 : 509,741.84 = 208,233.23 : x - Step 2: Convert to fraction form
369,378.17/509,741.84 = 208,233.23/x - Step 3: Cross multiply
369,378.17x = 509,741.84 × 208,233.23 - Step 4: Simplify right side
369,378.17x = 106,145,187,781.22 - Step 5: Solve for x
x = 106,145,187,781.22/369,378.17 - Step 6: Final answer
x = 287,361.83
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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.