Finding the Fourth Proportional to 186,459.36, 257,321.72 and 101,581.08
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Solution
The fourth proportional to 186,459.36, 257,321.72 and 101,581.08 is: 140,186.14
Step by Step Solution
- Step 1: Write the proportion equation
186,459.36 : 257,321.72 = 101,581.08 : x - Step 2: Convert to fraction form
186,459.36/257,321.72 = 101,581.08/x - Step 3: Cross multiply
186,459.36x = 257,321.72 × 101,581.08 - Step 4: Simplify right side
186,459.36x = 26,139,018,225.06 - Step 5: Solve for x
x = 26,139,018,225.06/186,459.36 - Step 6: Final answer
x = 140,186.14
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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.