Finding the Fourth Proportional to 210,007.09, 314,883.98 and 83,666.84
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Solution
The fourth proportional to 210,007.09, 314,883.98 and 83,666.84 is: 125,449.80
Step by Step Solution
- Step 1: Write the proportion equation
210,007.09 : 314,883.98 = 83,666.84 : x - Step 2: Convert to fraction form
210,007.09/314,883.98 = 83,666.84/x - Step 3: Cross multiply
210,007.09x = 314,883.98 × 83,666.84 - Step 4: Simplify right side
210,007.09x = 26,345,347,573.22 - Step 5: Solve for x
x = 26,345,347,573.22/210,007.09 - Step 6: Final answer
x = 125,449.80
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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.