Finding the Fourth Proportional to 211,101.50, 291,320.52 and 114,306.41
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Solution
The fourth proportional to 211,101.50, 291,320.52 and 114,306.41 is: 157,743.09
Step by Step Solution
- Step 1: Write the proportion equation
211,101.50 : 291,320.52 = 114,306.41 : x - Step 2: Convert to fraction form
211,101.50/291,320.52 = 114,306.41/x - Step 3: Cross multiply
211,101.50x = 291,320.52 × 114,306.41 - Step 4: Simplify right side
211,101.50x = 33,299,803,100.19 - Step 5: Solve for x
x = 33,299,803,100.19/211,101.50 - Step 6: Final answer
x = 157,743.09
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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.