Finding the Fourth Proportional to 366,918.80, 549,859.80 and 271,403.60
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Solution
The fourth proportional to 366,918.80, 549,859.80 and 271,403.60 is: 406,721.95
Step by Step Solution
- Step 1: Write the proportion equation
366,918.80 : 549,859.80 = 271,403.60 : x - Step 2: Convert to fraction form
366,918.80/549,859.80 = 271,403.60/x - Step 3: Cross multiply
366,918.80x = 549,859.80 × 271,403.60 - Step 4: Simplify right side
366,918.80x = 149,233,929,215.28 - Step 5: Solve for x
x = 149,233,929,215.28/366,918.80 - Step 6: Final answer
x = 406,721.95
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1.5x scale
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.