Finding the Fourth Proportional to 268,675.11, 370,771.68 and 147,813.81
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Solution
The fourth proportional to 268,675.11, 370,771.68 and 147,813.81 is: 203,983.07
Step by Step Solution
- Step 1: Write the proportion equation
268,675.11 : 370,771.68 = 147,813.81 : x - Step 2: Convert to fraction form
268,675.11/370,771.68 = 147,813.81/x - Step 3: Cross multiply
268,675.11x = 370,771.68 × 147,813.81 - Step 4: Simplify right side
268,675.11x = 54,805,174,660.90 - Step 5: Solve for x
x = 54,805,174,660.90/268,675.11 - Step 6: Final answer
x = 203,983.07
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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.