Finding the Fourth Proportional to 675,177.96, 931,707.90 and 369,193.62
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Solution
The fourth proportional to 675,177.96, 931,707.90 and 369,193.62 is: 509,466.59
Step by Step Solution
- Step 1: Write the proportion equation
675,177.96 : 931,707.90 = 369,193.62 : x - Step 2: Convert to fraction form
675,177.96/931,707.90 = 369,193.62/x - Step 3: Cross multiply
675,177.96x = 931,707.90 × 369,193.62 - Step 4: Simplify right side
675,177.96x = 343,980,612,383.60 - Step 5: Solve for x
x = 343,980,612,383.60/675,177.96 - Step 6: Final answer
x = 509,466.59
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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.