Finding the Fourth Proportional to 342,764.17, 472,759.67 and 221,812.13
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Solution
The fourth proportional to 342,764.17, 472,759.67 and 221,812.13 is: 305,935.80
Step by Step Solution
- Step 1: Write the proportion equation
342,764.17 : 472,759.67 = 221,812.13 : x - Step 2: Convert to fraction form
342,764.17/472,759.67 = 221,812.13/x - Step 3: Cross multiply
342,764.17x = 472,759.67 × 221,812.13 - Step 4: Simplify right side
342,764.17x = 104,863,831,117.23 - Step 5: Solve for x
x = 104,863,831,117.23/342,764.17 - Step 6: Final answer
x = 305,935.80
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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.