Finding the Fourth Proportional to 905,367.05, 1,358,045.18 and 231,447.29
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Solution
The fourth proportional to 905,367.05, 1,358,045.18 and 231,447.29 is: 347,169.55
Step by Step Solution
- Step 1: Write the proportion equation
905,367.05 : 1,358,045.18 = 231,447.29 : x - Step 2: Convert to fraction form
905,367.05/1,358,045.18 = 231,447.29/x - Step 3: Cross multiply
905,367.05x = 1,358,045.18 × 231,447.29 - Step 4: Simplify right side
905,367.05x = 314,315,871,113.29 - Step 5: Solve for x
x = 314,315,871,113.29/905,367.05 - Step 6: Final answer
x = 347,169.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.