Finding the Fourth Proportional to 193,385.07, 266,867.19 and 107,338.98
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Solution
The fourth proportional to 193,385.07, 266,867.19 and 107,338.98 is: 148,125.46
Step by Step Solution
- Step 1: Write the proportion equation
193,385.07 : 266,867.19 = 107,338.98 : x - Step 2: Convert to fraction form
193,385.07/266,867.19 = 107,338.98/x - Step 3: Cross multiply
193,385.07x = 266,867.19 × 107,338.98 - Step 4: Simplify right side
193,385.07x = 28,645,251,970.07 - Step 5: Solve for x
x = 28,645,251,970.07/193,385.07 - Step 6: Final answer
x = 148,125.46
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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.