Finding the Fourth Proportional to 230,814.55, 318,467.98 and 135,302.80
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Solution
The fourth proportional to 230,814.55, 318,467.98 and 135,302.80 is: 186,684.98
Step by Step Solution
- Step 1: Write the proportion equation
230,814.55 : 318,467.98 = 135,302.80 : x - Step 2: Convert to fraction form
230,814.55/318,467.98 = 135,302.80/x - Step 3: Cross multiply
230,814.55x = 318,467.98 × 135,302.80 - Step 4: Simplify right side
230,814.55x = 43,089,609,404.34 - Step 5: Solve for x
x = 43,089,609,404.34/230,814.55 - Step 6: Final answer
x = 186,684.98
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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.