Finding the Fourth Proportional to 474,989.24, 655,486.14 and 257,200.28
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Solution
The fourth proportional to 474,989.24, 655,486.14 and 257,200.28 is: 354,936.92
Step by Step Solution
- Step 1: Write the proportion equation
474,989.24 : 655,486.14 = 257,200.28 : x - Step 2: Convert to fraction form
474,989.24/655,486.14 = 257,200.28/x - Step 3: Cross multiply
474,989.24x = 655,486.14 × 257,200.28 - Step 4: Simplify right side
474,989.24x = 168,591,218,744.12 - Step 5: Solve for x
x = 168,591,218,744.12/474,989.24 - Step 6: Final answer
x = 354,936.92
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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.