Finding the Fourth Proportional to 235,570.76, 325,032.68 and 137,438.70
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Solution
The fourth proportional to 235,570.76, 325,032.68 and 137,438.70 is: 189,633.34
Step by Step Solution
- Step 1: Write the proportion equation
235,570.76 : 325,032.68 = 137,438.70 : x - Step 2: Convert to fraction form
235,570.76/325,032.68 = 137,438.70/x - Step 3: Cross multiply
235,570.76x = 325,032.68 × 137,438.70 - Step 4: Simplify right side
235,570.76x = 44,672,068,996.72 - Step 5: Solve for x
x = 44,672,068,996.72/235,570.76 - Step 6: Final answer
x = 189,633.34
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1.5x scale
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.