Finding the Fourth Proportional to 782,161.92, 1,173,217.68 and 249,715.44
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Solution
The fourth proportional to 782,161.92, 1,173,217.68 and 249,715.44 is: 374,565.11
Step by Step Solution
- Step 1: Write the proportion equation
782,161.92 : 1,173,217.68 = 249,715.44 : x - Step 2: Convert to fraction form
782,161.92/1,173,217.68 = 249,715.44/x - Step 3: Cross multiply
782,161.92x = 1,173,217.68 × 249,715.44 - Step 4: Simplify right side
782,161.92x = 292,970,569,176.98 - Step 5: Solve for x
x = 292,970,569,176.98/782,161.92 - Step 6: Final answer
x = 374,565.11
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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.