Finding the Fourth Proportional to 532,342.92, 734,621.34 and 290,616.12
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Solution
The fourth proportional to 532,342.92, 734,621.34 and 290,616.12 is: 401,043.75
Step by Step Solution
- Step 1: Write the proportion equation
532,342.92 : 734,621.34 = 290,616.12 : x - Step 2: Convert to fraction form
532,342.92/734,621.34 = 290,616.12/x - Step 3: Cross multiply
532,342.92x = 734,621.34 × 290,616.12 - Step 4: Simplify right side
532,342.92x = 213,492,803,500.00 - Step 5: Solve for x
x = 213,492,803,500.00/532,342.92 - Step 6: Final answer
x = 401,043.75
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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.