Finding the Fourth Proportional to 310,445.36, 465,670.92 and 123,504.56
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Solution
The fourth proportional to 310,445.36, 465,670.92 and 123,504.56 is: 185,257.99
Step by Step Solution
- Step 1: Write the proportion equation
310,445.36 : 465,670.92 = 123,504.56 : x - Step 2: Convert to fraction form
310,445.36/465,670.92 = 123,504.56/x - Step 3: Cross multiply
310,445.36x = 465,670.92 × 123,504.56 - Step 4: Simplify right side
310,445.36x = 57,512,482,079.40 - Step 5: Solve for x
x = 57,512,482,079.40/310,445.36 - Step 6: Final answer
x = 185,257.99
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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.