Finding the Fourth Proportional to 186,740.03, 257,701.24 and 101,857.09
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Solution
The fourth proportional to 186,740.03, 257,701.24 and 101,857.09 is: 140,562.78
Step by Step Solution
- Step 1: Write the proportion equation
186,740.03 : 257,701.24 = 101,857.09 : x - Step 2: Convert to fraction form
186,740.03/257,701.24 = 101,857.09/x - Step 3: Cross multiply
186,740.03x = 257,701.24 × 101,857.09 - Step 4: Simplify right side
186,740.03x = 26,248,698,395.79 - Step 5: Solve for x
x = 26,248,698,395.79/186,740.03 - Step 6: Final answer
x = 140,562.78
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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.