Finding the Fourth Proportional to 193,402.74, 266,807.88 and 125,436.84
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Solution
The fourth proportional to 193,402.74, 266,807.88 and 125,436.84 is: 173,045.83
Step by Step Solution
- Step 1: Write the proportion equation
193,402.74 : 266,807.88 = 125,436.84 : x - Step 2: Convert to fraction form
193,402.74/266,807.88 = 125,436.84/x - Step 3: Cross multiply
193,402.74x = 266,807.88 × 125,436.84 - Step 4: Simplify right side
193,402.74x = 33,467,537,354.30 - Step 5: Solve for x
x = 33,467,537,354.30/193,402.74 - Step 6: Final answer
x = 173,045.83
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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.