Finding the Fourth Proportional to 230,656.55, 318,298.82 and 135,226.80
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Solution
The fourth proportional to 230,656.55, 318,298.82 and 135,226.80 is: 186,608.75
Step by Step Solution
- Step 1: Write the proportion equation
230,656.55 : 318,298.82 = 135,226.80 : x - Step 2: Convert to fraction form
230,656.55/318,298.82 = 135,226.80/x - Step 3: Cross multiply
230,656.55x = 318,298.82 × 135,226.80 - Step 4: Simplify right side
230,656.55x = 43,042,530,196.24 - Step 5: Solve for x
x = 43,042,530,196.24/230,656.55 - Step 6: Final answer
x = 186,608.75
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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.