Finding the Fourth Proportional to 668,950.21, 923,153.71 and 363,026.53
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Solution
The fourth proportional to 668,950.21, 923,153.71 and 363,026.53 is: 500,977.92
Step by Step Solution
- Step 1: Write the proportion equation
668,950.21 : 923,153.71 = 363,026.53 : x - Step 2: Convert to fraction form
668,950.21/923,153.71 = 363,026.53/x - Step 3: Cross multiply
668,950.21x = 923,153.71 × 363,026.53 - Step 4: Simplify right side
668,950.21x = 335,129,283,382.16 - Step 5: Solve for x
x = 335,129,283,382.16/668,950.21 - Step 6: Final answer
x = 500,977.92
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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.