Finding the Fourth Proportional to 371,091.03, 512,153.84 and 207,809.70
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Solution
The fourth proportional to 371,091.03, 512,153.84 and 207,809.70 is: 286,804.39
Step by Step Solution
- Step 1: Write the proportion equation
371,091.03 : 512,153.84 = 207,809.70 : x - Step 2: Convert to fraction form
371,091.03/512,153.84 = 207,809.70/x - Step 3: Cross multiply
371,091.03x = 512,153.84 × 207,809.70 - Step 4: Simplify right side
371,091.03x = 106,430,535,844.25 - Step 5: Solve for x
x = 106,430,535,844.25/371,091.03 - Step 6: Final answer
x = 286,804.39
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1.5x scale
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.