Finding the Fourth Proportional to 306,769.39, 460,175.10 and 104,283.09
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Solution
The fourth proportional to 306,769.39, 460,175.10 and 104,283.09 is: 156,431.79
Step by Step Solution
- Step 1: Write the proportion equation
306,769.39 : 460,175.10 = 104,283.09 : x - Step 2: Convert to fraction form
306,769.39/460,175.10 = 104,283.09/x - Step 3: Cross multiply
306,769.39x = 460,175.10 × 104,283.09 - Step 4: Simplify right side
306,769.39x = 47,988,483,485.78 - Step 5: Solve for x
x = 47,988,483,485.78/306,769.39 - Step 6: Final answer
x = 156,431.79
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1.5x scale
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.