Finding the Fourth Proportional to 230,985.26, 318,762.10 and 135,493.55
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Solution
The fourth proportional to 230,985.26, 318,762.10 and 135,493.55 is: 186,982.53
Step by Step Solution
- Step 1: Write the proportion equation
230,985.26 : 318,762.10 = 135,493.55 : x - Step 2: Convert to fraction form
230,985.26/318,762.10 = 135,493.55/x - Step 3: Cross multiply
230,985.26x = 318,762.10 × 135,493.55 - Step 4: Simplify right side
230,985.26x = 43,190,208,534.46 - Step 5: Solve for x
x = 43,190,208,534.46/230,985.26 - Step 6: Final answer
x = 186,982.53
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.