Finding the Fourth Proportional to 286,252.70, 400,228.90 and 286,252.70
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Solution
The fourth proportional to 286,252.70, 400,228.90 and 286,252.70 is: 400,228.90
Step by Step Solution
- Step 1: Write the proportion equation
286,252.70 : 400,228.90 = 286,252.70 : x - Step 2: Convert to fraction form
286,252.70/400,228.90 = 286,252.70/x - Step 3: Cross multiply
286,252.70x = 400,228.90 × 286,252.70 - Step 4: Simplify right side
286,252.70x = 114,566,603,243.03 - Step 5: Solve for x
x = 114,566,603,243.03/286,252.70 - Step 6: Final answer
x = 400,228.90
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.