Finding the Fourth Proportional to 230,761.56, 318,455.10 and 135,337.08
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Solution
The fourth proportional to 230,761.56, 318,455.10 and 135,337.08 is: 186,767.60
Step by Step Solution
- Step 1: Write the proportion equation
230,761.56 : 318,455.10 = 135,337.08 : x - Step 2: Convert to fraction form
230,761.56/318,455.10 = 135,337.08/x - Step 3: Cross multiply
230,761.56x = 318,455.10 × 135,337.08 - Step 4: Simplify right side
230,761.56x = 43,098,783,345.11 - Step 5: Solve for x
x = 43,098,783,345.11/230,761.56 - Step 6: Final answer
x = 186,767.60
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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.