Finding the Fourth Proportional to 377,380.50, 520,785.09 and 207,610.98
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Solution
The fourth proportional to 377,380.50, 520,785.09 and 207,610.98 is: 286,503.15
Step by Step Solution
- Step 1: Write the proportion equation
377,380.50 : 520,785.09 = 207,610.98 : x - Step 2: Convert to fraction form
377,380.50/520,785.09 = 207,610.98/x - Step 3: Cross multiply
377,380.50x = 520,785.09 × 207,610.98 - Step 4: Simplify right side
377,380.50x = 108,120,702,904.29 - Step 5: Solve for x
x = 108,120,702,904.29/377,380.50 - Step 6: Final answer
x = 286,503.15
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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.