Finding the Fourth Proportional to 283,289.24, 390,966.82 and 211,544.84
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Solution
The fourth proportional to 283,289.24, 390,966.82 and 211,544.84 is: 291,952.54
Step by Step Solution
- Step 1: Write the proportion equation
283,289.24 : 390,966.82 = 211,544.84 : x - Step 2: Convert to fraction form
283,289.24/390,966.82 = 211,544.84/x - Step 3: Cross multiply
283,289.24x = 390,966.82 × 211,544.84 - Step 4: Simplify right side
283,289.24x = 82,707,013,382.21 - Step 5: Solve for x
x = 82,707,013,382.21/283,289.24 - Step 6: Final answer
x = 291,952.54
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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.