Finding the Fourth Proportional to 291,440.07, 402,243.84 and 164,116.44
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Solution
The fourth proportional to 291,440.07, 402,243.84 and 164,116.44 is: 226,512.53
Step by Step Solution
- Step 1: Write the proportion equation
291,440.07 : 402,243.84 = 164,116.44 : x - Step 2: Convert to fraction form
291,440.07/402,243.84 = 164,116.44/x - Step 3: Cross multiply
291,440.07x = 402,243.84 × 164,116.44 - Step 4: Simplify right side
291,440.07x = 66,014,827,032.73 - Step 5: Solve for x
x = 66,014,827,032.73/291,440.07 - Step 6: Final answer
x = 226,512.53
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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.