Finding the Fourth Proportional to 292,215.74, 403,324.86 and 171,395.96
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Solution
The fourth proportional to 292,215.74, 403,324.86 and 171,395.96 is: 236,565.80
Step by Step Solution
- Step 1: Write the proportion equation
292,215.74 : 403,324.86 = 171,395.96 : x - Step 2: Convert to fraction form
292,215.74/403,324.86 = 171,395.96/x - Step 3: Cross multiply
292,215.74x = 403,324.86 × 171,395.96 - Step 4: Simplify right side
292,215.74x = 69,128,251,571.57 - Step 5: Solve for x
x = 69,128,251,571.57/292,215.74 - Step 6: Final answer
x = 236,565.80
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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.