Finding the Fourth Proportional to 330,685.84, 496,106.52 and 102,970.96
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Solution
The fourth proportional to 330,685.84, 496,106.52 and 102,970.96 is: 154,480.65
Step by Step Solution
- Step 1: Write the proportion equation
330,685.84 : 496,106.52 = 102,970.96 : x - Step 2: Convert to fraction form
330,685.84/496,106.52 = 102,970.96/x - Step 3: Cross multiply
330,685.84x = 496,106.52 × 102,970.96 - Step 4: Simplify right side
330,685.84x = 51,084,564,626.66 - Step 5: Solve for x
x = 51,084,564,626.66/330,685.84 - Step 6: Final answer
x = 154,480.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.