Finding the Fourth Proportional to 292,126.24, 403,134.48 and 157,990.24
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Solution
The fourth proportional to 292,126.24, 403,134.48 and 157,990.24 is: 218,026.68
Step by Step Solution
- Step 1: Write the proportion equation
292,126.24 : 403,134.48 = 157,990.24 : x - Step 2: Convert to fraction form
292,126.24/403,134.48 = 157,990.24/x - Step 3: Cross multiply
292,126.24x = 403,134.48 × 157,990.24 - Step 4: Simplify right side
292,126.24x = 63,691,313,247.48 - Step 5: Solve for x
x = 63,691,313,247.48/292,126.24 - Step 6: Final answer
x = 218,026.68
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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.