Finding the Fourth Proportional to 213,985.49, 295,296.36 and 118,490.13
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Solution
The fourth proportional to 213,985.49, 295,296.36 and 118,490.13 is: 163,514.38
Step by Step Solution
- Step 1: Write the proportion equation
213,985.49 : 295,296.36 = 118,490.13 : x - Step 2: Convert to fraction form
213,985.49/295,296.36 = 118,490.13/x - Step 3: Cross multiply
213,985.49x = 295,296.36 × 118,490.13 - Step 4: Simplify right side
213,985.49x = 34,989,704,084.93 - Step 5: Solve for x
x = 34,989,704,084.93/213,985.49 - Step 6: Final answer
x = 163,514.38
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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.