Finding the Fourth Proportional to 377,604.87, 521,109.50 and 207,854.79
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Solution
The fourth proportional to 377,604.87, 521,109.50 and 207,854.79 is: 286,847.74
Step by Step Solution
- Step 1: Write the proportion equation
377,604.87 : 521,109.50 = 207,854.79 : x - Step 2: Convert to fraction form
377,604.87/521,109.50 = 207,854.79/x - Step 3: Cross multiply
377,604.87x = 521,109.50 × 207,854.79 - Step 4: Simplify right side
377,604.87x = 108,315,104,650.23 - Step 5: Solve for x
x = 108,315,104,650.23/377,604.87 - Step 6: Final answer
x = 286,847.74
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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.