Finding the Fourth Proportional to 273,288.98, 377,139.29 and 152,438.09
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Solution
The fourth proportional to 273,288.98, 377,139.29 and 152,438.09 is: 210,364.83
Step by Step Solution
- Step 1: Write the proportion equation
273,288.98 : 377,139.29 = 152,438.09 : x - Step 2: Convert to fraction form
273,288.98/377,139.29 = 152,438.09/x - Step 3: Cross multiply
273,288.98x = 377,139.29 × 152,438.09 - Step 4: Simplify right side
273,288.98x = 57,490,390,383.67 - Step 5: Solve for x
x = 57,490,390,383.67/273,288.98 - Step 6: Final answer
x = 210,364.83
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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.