Finding the Fourth Proportional to 186,372.08, 257,186.68 and 101,487.28
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Solution
The fourth proportional to 186,372.08, 257,186.68 and 101,487.28 is: 140,048.75
Step by Step Solution
- Step 1: Write the proportion equation
186,372.08 : 257,186.68 = 101,487.28 : x - Step 2: Convert to fraction form
186,372.08/257,186.68 = 101,487.28/x - Step 3: Cross multiply
186,372.08x = 257,186.68 × 101,487.28 - Step 4: Simplify right side
186,372.08x = 26,101,176,605.43 - Step 5: Solve for x
x = 26,101,176,605.43/186,372.08 - Step 6: Final answer
x = 140,048.75
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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.