Finding the Fourth Proportional to 186,472.48, 257,332.36 and 105,899.99
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Solution
The fourth proportional to 186,472.48, 257,332.36 and 105,899.99 is: 146,142.18
Step by Step Solution
- Step 1: Write the proportion equation
186,472.48 : 257,332.36 = 105,899.99 : x - Step 2: Convert to fraction form
186,472.48/257,332.36 = 105,899.99/x - Step 3: Cross multiply
186,472.48x = 257,332.36 × 105,899.99 - Step 4: Simplify right side
186,472.48x = 27,251,494,445.32 - Step 5: Solve for x
x = 27,251,494,445.32/186,472.48 - Step 6: Final answer
x = 146,142.18
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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.