Finding the Fourth Proportional to 304,787.07, 420,811.67 and 190,240.20
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Solution
The fourth proportional to 304,787.07, 420,811.67 and 190,240.20 is: 262,659.75
Step by Step Solution
- Step 1: Write the proportion equation
304,787.07 : 420,811.67 = 190,240.20 : x - Step 2: Convert to fraction form
304,787.07/420,811.67 = 190,240.20/x - Step 3: Cross multiply
304,787.07x = 420,811.67 × 190,240.20 - Step 4: Simplify right side
304,787.07x = 80,055,296,263.13 - Step 5: Solve for x
x = 80,055,296,263.13/304,787.07 - Step 6: Final answer
x = 262,659.75
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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.