Finding the Fourth Proportional to 265,543.61, 398,389.23 and 115,796.99
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Solution
The fourth proportional to 265,543.61, 398,389.23 and 115,796.99 is: 173,727.66
Step by Step Solution
- Step 1: Write the proportion equation
265,543.61 : 398,389.23 = 115,796.99 : x - Step 2: Convert to fraction form
265,543.61/398,389.23 = 115,796.99/x - Step 3: Cross multiply
265,543.61x = 398,389.23 × 115,796.99 - Step 4: Simplify right side
265,543.61x = 46,132,271,111.49 - Step 5: Solve for x
x = 46,132,271,111.49/265,543.61 - Step 6: Final answer
x = 173,727.66
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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.