Finding the Fourth Proportional to 186,781.98, 257,754.02 and 101,899.02
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Solution
The fourth proportional to 186,781.98, 257,754.02 and 101,899.02 is: 140,617.86
Step by Step Solution
- Step 1: Write the proportion equation
186,781.98 : 257,754.02 = 101,899.02 : x - Step 2: Convert to fraction form
186,781.98/257,754.02 = 101,899.02/x - Step 3: Cross multiply
186,781.98x = 257,754.02 × 101,899.02 - Step 4: Simplify right side
186,781.98x = 26,264,882,039.06 - Step 5: Solve for x
x = 26,264,882,039.06/186,781.98 - Step 6: Final answer
x = 140,617.86
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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.