Finding the Fourth Proportional to 268,785.19, 370,909.73 and 147,937.94
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Solution
The fourth proportional to 268,785.19, 370,909.73 and 147,937.94 is: 204,146.75
Step by Step Solution
- Step 1: Write the proportion equation
268,785.19 : 370,909.73 = 147,937.94 : x - Step 2: Convert to fraction form
268,785.19/370,909.73 = 147,937.94/x - Step 3: Cross multiply
268,785.19x = 370,909.73 × 147,937.94 - Step 4: Simplify right side
268,785.19x = 54,871,623,374.73 - Step 5: Solve for x
x = 54,871,623,374.73/268,785.19 - Step 6: Final answer
x = 204,146.75
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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.