Finding the Fourth Proportional to 192,386.13, 265,492.86 and 107,511.09
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Solution
The fourth proportional to 192,386.13, 265,492.86 and 107,511.09 is: 148,365.30
Step by Step Solution
- Step 1: Write the proportion equation
192,386.13 : 265,492.86 = 107,511.09 : x - Step 2: Convert to fraction form
192,386.13/265,492.86 = 107,511.09/x - Step 3: Cross multiply
192,386.13x = 265,492.86 × 107,511.09 - Step 4: Simplify right side
192,386.13x = 28,543,424,900.80 - Step 5: Solve for x
x = 28,543,424,900.80/192,386.13 - Step 6: Final answer
x = 148,365.30
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1.5x scale
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.