Finding the Fourth Proportional to 230,633.30, 318,266.73 and 135,203.55
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Solution
The fourth proportional to 230,633.30, 318,266.73 and 135,203.55 is: 186,576.67
Step by Step Solution
- Step 1: Write the proportion equation
230,633.30 : 318,266.73 = 135,203.55 : x - Step 2: Convert to fraction form
230,633.30/318,266.73 = 135,203.55/x - Step 3: Cross multiply
230,633.30x = 318,266.73 × 135,203.55 - Step 4: Simplify right side
230,633.30x = 43,030,791,742.89 - Step 5: Solve for x
x = 43,030,791,742.89/230,633.30 - Step 6: Final answer
x = 186,576.67
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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.