Finding the Fourth Proportional to 464,325.12, 640,532.84 and 303,274.44
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Solution
The fourth proportional to 464,325.12, 640,532.84 and 303,274.44 is: 418,364.70
Step by Step Solution
- Step 1: Write the proportion equation
464,325.12 : 640,532.84 = 303,274.44 : x - Step 2: Convert to fraction form
464,325.12/640,532.84 = 303,274.44/x - Step 3: Cross multiply
464,325.12x = 640,532.84 × 303,274.44 - Step 4: Simplify right side
464,325.12x = 194,257,238,352.61 - Step 5: Solve for x
x = 194,257,238,352.61/464,325.12 - Step 6: Final answer
x = 418,364.70
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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.