Finding the Fourth Proportional to 371,702.24, 512,912.08 and 210,525.12
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Solution
The fourth proportional to 371,702.24, 512,912.08 and 210,525.12 is: 290,503.70
Step by Step Solution
- Step 1: Write the proportion equation
371,702.24 : 512,912.08 = 210,525.12 : x - Step 2: Convert to fraction form
371,702.24/512,912.08 = 210,525.12/x - Step 3: Cross multiply
371,702.24x = 512,912.08 × 210,525.12 - Step 4: Simplify right side
371,702.24x = 107,980,877,191.45 - Step 5: Solve for x
x = 107,980,877,191.45/371,702.24 - Step 6: Final answer
x = 290,503.70
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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.