Finding the Fourth Proportional to 149,240.07, 205,940.88 and 84,710.63
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Solution
The fourth proportional to 149,240.07, 205,940.88 and 84,710.63 is: 116,894.75
Step by Step Solution
- Step 1: Write the proportion equation
149,240.07 : 205,940.88 = 84,710.63 : x - Step 2: Convert to fraction form
149,240.07/205,940.88 = 84,710.63/x - Step 3: Cross multiply
149,240.07x = 205,940.88 × 84,710.63 - Step 4: Simplify right side
149,240.07x = 17,445,381,043.99 - Step 5: Solve for x
x = 17,445,381,043.99/149,240.07 - Step 6: Final answer
x = 116,894.75
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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.