Finding the Fourth Proportional to 113,205.69, 156,225.27 and 62,223.99
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Solution
The fourth proportional to 113,205.69, 156,225.27 and 62,223.99 is: 85,869.89
Step by Step Solution
- Step 1: Write the proportion equation
113,205.69 : 156,225.27 = 62,223.99 : x - Step 2: Convert to fraction form
113,205.69/156,225.27 = 62,223.99/x - Step 3: Cross multiply
113,205.69x = 156,225.27 × 62,223.99 - Step 4: Simplify right side
113,205.69x = 9,720,959,638.23 - Step 5: Solve for x
x = 9,720,959,638.23/113,205.69 - Step 6: Final answer
x = 85,869.89
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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.