Finding the Fourth Proportional to 230,619.96, 318,257.28 and 128,652.09
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Solution
The fourth proportional to 230,619.96, 318,257.28 and 128,652.09 is: 177,540.85
Step by Step Solution
- Step 1: Write the proportion equation
230,619.96 : 318,257.28 = 128,652.09 : x - Step 2: Convert to fraction form
230,619.96/318,257.28 = 128,652.09/x - Step 3: Cross multiply
230,619.96x = 318,257.28 × 128,652.09 - Step 4: Simplify right side
230,619.96x = 40,944,464,229.72 - Step 5: Solve for x
x = 40,944,464,229.72/230,619.96 - Step 6: Final answer
x = 177,540.85
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.