Finding the Fourth Proportional to 474,177.87, 655,102.29 and 397,578.21
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Solution
The fourth proportional to 474,177.87, 655,102.29 and 397,578.21 is: 549,275.73
Step by Step Solution
- Step 1: Write the proportion equation
474,177.87 : 655,102.29 = 397,578.21 : x - Step 2: Convert to fraction form
474,177.87/655,102.29 = 397,578.21/x - Step 3: Cross multiply
474,177.87x = 655,102.29 × 397,578.21 - Step 4: Simplify right side
474,177.87x = 260,454,395,825.10 - Step 5: Solve for x
x = 260,454,395,825.10/474,177.87 - Step 6: Final answer
x = 549,275.73
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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.