Finding the Fourth Proportional to 135,065.70, 202,306.95 and 117,569.70
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Solution
The fourth proportional to 135,065.70, 202,306.95 and 117,569.70 is: 176,100.72
Step by Step Solution
- Step 1: Write the proportion equation
135,065.70 : 202,306.95 = 117,569.70 : x - Step 2: Convert to fraction form
135,065.70/202,306.95 = 117,569.70/x - Step 3: Cross multiply
135,065.70x = 202,306.95 × 117,569.70 - Step 4: Simplify right side
135,065.70x = 23,785,167,419.42 - Step 5: Solve for x
x = 23,785,167,419.42/135,065.70 - Step 6: Final answer
x = 176,100.72
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.