Finding the Fourth Proportional to 193,154.76, 266,546.13 and 107,117.28
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Solution
The fourth proportional to 193,154.76, 266,546.13 and 107,117.28 is: 147,817.72
Step by Step Solution
- Step 1: Write the proportion equation
193,154.76 : 266,546.13 = 107,117.28 : x - Step 2: Convert to fraction form
193,154.76/266,546.13 = 107,117.28/x - Step 3: Cross multiply
193,154.76x = 266,546.13 × 107,117.28 - Step 4: Simplify right side
193,154.76x = 28,551,696,440.13 - Step 5: Solve for x
x = 28,551,696,440.13/193,154.76 - Step 6: Final answer
x = 147,817.72
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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.