Finding the Fourth Proportional to 377,455.38, 520,888.35 and 207,689.52
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Solution
The fourth proportional to 377,455.38, 520,888.35 and 207,689.52 is: 286,611.50
Step by Step Solution
- Step 1: Write the proportion equation
377,455.38 : 520,888.35 = 207,689.52 : x - Step 2: Convert to fraction form
377,455.38/520,888.35 = 207,689.52/x - Step 3: Cross multiply
377,455.38x = 520,888.35 × 207,689.52 - Step 4: Simplify right side
377,455.38x = 108,183,051,385.09 - Step 5: Solve for x
x = 108,183,051,385.09/377,455.38 - Step 6: Final answer
x = 286,611.50
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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.