Finding the Fourth Proportional to 329,257.19, 454,282.74 and 206,762.78
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Solution
The fourth proportional to 329,257.19, 454,282.74 and 206,762.78 is: 285,274.75
Step by Step Solution
- Step 1: Write the proportion equation
329,257.19 : 454,282.74 = 206,762.78 : x - Step 2: Convert to fraction form
329,257.19/454,282.74 = 206,762.78/x - Step 3: Cross multiply
329,257.19x = 454,282.74 × 206,762.78 - Step 4: Simplify right side
329,257.19x = 93,928,759,957.00 - Step 5: Solve for x
x = 93,928,759,957.00/329,257.19 - Step 6: Final answer
x = 285,274.75
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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.