Finding the Fourth Proportional to 647,197.49, 893,163.11 and 360,719.63
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Solution
The fourth proportional to 647,197.49, 893,163.11 and 360,719.63 is: 497,810.12
Step by Step Solution
- Step 1: Write the proportion equation
647,197.49 : 893,163.11 = 360,719.63 : x - Step 2: Convert to fraction form
647,197.49/893,163.11 = 360,719.63/x - Step 3: Cross multiply
647,197.49x = 893,163.11 × 360,719.63 - Step 4: Simplify right side
647,197.49x = 322,181,463,648.80 - Step 5: Solve for x
x = 322,181,463,648.80/647,197.49 - Step 6: Final answer
x = 497,810.12
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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.