Finding the Fourth Proportional to 186,802.61, 257,486.45 and 126,351.19
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Solution
The fourth proportional to 186,802.61, 257,486.45 and 126,351.19 is: 174,160.95
Step by Step Solution
- Step 1: Write the proportion equation
186,802.61 : 257,486.45 = 126,351.19 : x - Step 2: Convert to fraction form
186,802.61/257,486.45 = 126,351.19/x - Step 3: Cross multiply
186,802.61x = 257,486.45 × 126,351.19 - Step 4: Simplify right side
186,802.61x = 32,533,719,056.48 - Step 5: Solve for x
x = 32,533,719,056.48/186,802.61 - Step 6: Final answer
x = 174,160.95
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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.