Finding the Fourth Proportional to 624,152.36, 936,476.40 and 203,431.88
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Solution
The fourth proportional to 624,152.36, 936,476.40 and 203,431.88 is: 305,228.61
Step by Step Solution
- Step 1: Write the proportion equation
624,152.36 : 936,476.40 = 203,431.88 : x - Step 2: Convert to fraction form
624,152.36/936,476.40 = 203,431.88/x - Step 3: Cross multiply
624,152.36x = 936,476.40 × 203,431.88 - Step 4: Simplify right side
624,152.36x = 190,509,154,627.63 - Step 5: Solve for x
x = 190,509,154,627.63/624,152.36 - Step 6: Final answer
x = 305,228.61
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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.