Finding the Fourth Proportional to 369,061.35, 509,342.36 and 225,915.99
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Solution
The fourth proportional to 369,061.35, 509,342.36 and 225,915.99 is: 311,787.14
Step by Step Solution
- Step 1: Write the proportion equation
369,061.35 : 509,342.36 = 225,915.99 : x - Step 2: Convert to fraction form
369,061.35/509,342.36 = 225,915.99/x - Step 3: Cross multiply
369,061.35x = 509,342.36 × 225,915.99 - Step 4: Simplify right side
369,061.35x = 115,068,582,378.76 - Step 5: Solve for x
x = 115,068,582,378.76/369,061.35 - Step 6: Final answer
x = 311,787.14
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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.