Finding the Fourth Proportional to 292,750.13, 403,995.20 and 158,614.13
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Solution
The fourth proportional to 292,750.13, 403,995.20 and 158,614.13 is: 218,887.50
Step by Step Solution
- Step 1: Write the proportion equation
292,750.13 : 403,995.20 = 158,614.13 : x - Step 2: Convert to fraction form
292,750.13/403,995.20 = 158,614.13/x - Step 3: Cross multiply
292,750.13x = 403,995.20 × 158,614.13 - Step 4: Simplify right side
292,750.13x = 64,079,344,359.13 - Step 5: Solve for x
x = 64,079,344,359.13/292,750.13 - Step 6: Final answer
x = 218,887.50
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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.