Finding the Fourth Proportional to 377,299.36, 520,686.96 and 207,546.40
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Solution
The fourth proportional to 377,299.36, 520,686.96 and 207,546.40 is: 286,421.65
Step by Step Solution
- Step 1: Write the proportion equation
377,299.36 : 520,686.96 = 207,546.40 : x - Step 2: Convert to fraction form
377,299.36/520,686.96 = 207,546.40/x - Step 3: Cross multiply
377,299.36x = 520,686.96 × 207,546.40 - Step 4: Simplify right side
377,299.36x = 108,066,704,074.94 - Step 5: Solve for x
x = 108,066,704,074.94/377,299.36 - Step 6: Final answer
x = 286,421.65
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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.