Finding the Fourth Proportional to 532,105.92, 734,321.70 and 290,403.95
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Solution
The fourth proportional to 532,105.92, 734,321.70 and 290,403.95 is: 400,765.92
Step by Step Solution
- Step 1: Write the proportion equation
532,105.92 : 734,321.70 = 290,403.95 : x - Step 2: Convert to fraction form
532,105.92/734,321.70 = 290,403.95/x - Step 3: Cross multiply
532,105.92x = 734,321.70 × 290,403.95 - Step 4: Simplify right side
532,105.92x = 213,249,918,579.11 - Step 5: Solve for x
x = 213,249,918,579.11/532,105.92 - Step 6: Final answer
x = 400,765.92
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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.