Finding the Fourth Proportional to 104,534.29, 144,256.53 and 56,787.99
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Solution
The fourth proportional to 104,534.29, 144,256.53 and 56,787.99 is: 78,367.00
Step by Step Solution
- Step 1: Write the proportion equation
104,534.29 : 144,256.53 = 56,787.99 : x - Step 2: Convert to fraction form
104,534.29/144,256.53 = 56,787.99/x - Step 3: Cross multiply
104,534.29x = 144,256.53 × 56,787.99 - Step 4: Simplify right side
104,534.29x = 8,192,038,383.07 - Step 5: Solve for x
x = 8,192,038,383.07/104,534.29 - Step 6: Final answer
x = 78,367.00
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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.