Finding the Fourth Proportional to 230,699.56, 318,305.24 and 135,154.92
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Solution
The fourth proportional to 230,699.56, 318,305.24 and 135,154.92 is: 186,478.55
Step by Step Solution
- Step 1: Write the proportion equation
230,699.56 : 318,305.24 = 135,154.92 : x - Step 2: Convert to fraction form
230,699.56/318,305.24 = 135,154.92/x - Step 3: Cross multiply
230,699.56x = 318,305.24 × 135,154.92 - Step 4: Simplify right side
230,699.56x = 43,020,519,247.78 - Step 5: Solve for x
x = 43,020,519,247.78/230,699.56 - Step 6: Final answer
x = 186,478.55
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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.