Finding the Fourth Proportional to 192,386.68, 265,492.96 and 107,503.74
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Solution
The fourth proportional to 192,386.68, 265,492.96 and 107,503.74 is: 148,354.79
Step by Step Solution
- Step 1: Write the proportion equation
192,386.68 : 265,492.96 = 107,503.74 : x - Step 2: Convert to fraction form
192,386.68/265,492.96 = 107,503.74/x - Step 3: Cross multiply
192,386.68x = 265,492.96 × 107,503.74 - Step 4: Simplify right side
192,386.68x = 28,541,486,143.67 - Step 5: Solve for x
x = 28,541,486,143.67/192,386.68 - Step 6: Final answer
x = 148,354.79
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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.