Finding the Fourth Proportional to 103,614, 155,447.10 and 29,742
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Solution
The fourth proportional to 103,614, 155,447.10 and 29,742 is: 44,620.49
Step by Step Solution
- Step 1: Write the proportion equation
103,614 : 155,447.10 = 29,742 : x - Step 2: Convert to fraction form
103,614/155,447.10 = 29,742/x - Step 3: Cross multiply
103,614x = 155,447.10 × 29,742 - Step 4: Simplify right side
103,614x = 4,623,307,648.20 - Step 5: Solve for x
x = 4,623,307,648.20/103,614 - Step 6: Final answer
x = 44,620.49
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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.