Finding the Fourth Proportional to 413,928.19, 620,772.36 and 161,152.35
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Solution
The fourth proportional to 413,928.19, 620,772.36 and 161,152.35 is: 241,681.84
Step by Step Solution
- Step 1: Write the proportion equation
413,928.19 : 620,772.36 = 161,152.35 : x - Step 2: Convert to fraction form
413,928.19/620,772.36 = 161,152.35/x - Step 3: Cross multiply
413,928.19x = 620,772.36 × 161,152.35 - Step 4: Simplify right side
413,928.19x = 100,038,924,629.05 - Step 5: Solve for x
x = 100,038,924,629.05/413,928.19 - Step 6: Final answer
x = 241,681.84
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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.