Finding the Fourth Proportional to 186,306.05, 257,102.28 and 101,423.09
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Solution
The fourth proportional to 186,306.05, 257,102.28 and 101,423.09 is: 139,963.83
Step by Step Solution
- Step 1: Write the proportion equation
186,306.05 : 257,102.28 = 101,423.09 : x - Step 2: Convert to fraction form
186,306.05/257,102.28 = 101,423.09/x - Step 3: Cross multiply
186,306.05x = 257,102.28 × 101,423.09 - Step 4: Simplify right side
186,306.05x = 26,076,107,683.65 - Step 5: Solve for x
x = 26,076,107,683.65/186,306.05 - Step 6: Final answer
x = 139,963.83
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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.