Finding the Fourth Proportional to 230,664.42, 318,309.68 and 135,234.68
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Solution
The fourth proportional to 230,664.42, 318,309.68 and 135,234.68 is: 186,619.62
Step by Step Solution
- Step 1: Write the proportion equation
230,664.42 : 318,309.68 = 135,234.68 : x - Step 2: Convert to fraction form
230,664.42/318,309.68 = 135,234.68/x - Step 3: Cross multiply
230,664.42x = 318,309.68 × 135,234.68 - Step 4: Simplify right side
230,664.42x = 43,046,506,462.24 - Step 5: Solve for x
x = 43,046,506,462.24/230,664.42 - Step 6: Final answer
x = 186,619.62
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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.