Finding the Fourth Proportional to 230,746.56, 318,434.40 and 135,322.08
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Solution
The fourth proportional to 230,746.56, 318,434.40 and 135,322.08 is: 186,746.90
Step by Step Solution
- Step 1: Write the proportion equation
230,746.56 : 318,434.40 = 135,322.08 : x - Step 2: Convert to fraction form
230,746.56/318,434.40 = 135,322.08/x - Step 3: Cross multiply
230,746.56x = 318,434.40 × 135,322.08 - Step 4: Simplify right side
230,746.56x = 43,091,205,351.55 - Step 5: Solve for x
x = 43,091,205,351.55/230,746.56 - Step 6: Final answer
x = 186,746.90
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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.