Finding the Fourth Proportional to 155,510.70, 232,920.45 and 134,774.70
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Solution
The fourth proportional to 155,510.70, 232,920.45 and 134,774.70 is: 201,862.53
Step by Step Solution
- Step 1: Write the proportion equation
155,510.70 : 232,920.45 = 134,774.70 : x - Step 2: Convert to fraction form
155,510.70/232,920.45 = 134,774.70/x - Step 3: Cross multiply
155,510.70x = 232,920.45 × 134,774.70 - Step 4: Simplify right side
155,510.70x = 31,391,783,772.62 - Step 5: Solve for x
x = 31,391,783,772.62/155,510.70 - Step 6: Final answer
x = 201,862.53
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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.