Finding the Fourth Proportional to 202,275.60, 303,486.30 and 84,031.80
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Solution
The fourth proportional to 202,275.60, 303,486.30 and 84,031.80 is: 126,077.99
Step by Step Solution
- Step 1: Write the proportion equation
202,275.60 : 303,486.30 = 84,031.80 : x - Step 2: Convert to fraction form
202,275.60/303,486.30 = 84,031.80/x - Step 3: Cross multiply
202,275.60x = 303,486.30 × 84,031.80 - Step 4: Simplify right side
202,275.60x = 25,502,500,064.34 - Step 5: Solve for x
x = 25,502,500,064.34/202,275.60 - Step 6: Final answer
x = 126,077.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.