Finding the Fourth Proportional to 279,211.07, 385,310.98 and 151,886.36
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Solution
The fourth proportional to 279,211.07, 385,310.98 and 151,886.36 is: 209,603.02
Step by Step Solution
- Step 1: Write the proportion equation
279,211.07 : 385,310.98 = 151,886.36 : x - Step 2: Convert to fraction form
279,211.07/385,310.98 = 151,886.36/x - Step 3: Cross multiply
279,211.07x = 385,310.98 × 151,886.36 - Step 4: Simplify right side
279,211.07x = 58,523,482,220.23 - Step 5: Solve for x
x = 58,523,482,220.23/279,211.07 - Step 6: Final answer
x = 209,603.02
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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.