Finding the Fourth Proportional to 434,310.84, 651,710.88 and 339,274.38
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Solution
The fourth proportional to 434,310.84, 651,710.88 and 339,274.38 is: 509,102.66
Step by Step Solution
- Step 1: Write the proportion equation
434,310.84 : 651,710.88 = 339,274.38 : x - Step 2: Convert to fraction form
434,310.84/651,710.88 = 339,274.38/x - Step 3: Cross multiply
434,310.84x = 651,710.88 × 339,274.38 - Step 4: Simplify right side
434,310.84x = 221,108,804,751.25 - Step 5: Solve for x
x = 221,108,804,751.25/434,310.84 - Step 6: Final answer
x = 509,102.66
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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.