Finding the Fourth Proportional to 145,909.85, 201,358.67 and 82,247.63
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Solution
The fourth proportional to 145,909.85, 201,358.67 and 82,247.63 is: 113,503.46
Step by Step Solution
- Step 1: Write the proportion equation
145,909.85 : 201,358.67 = 82,247.63 : x - Step 2: Convert to fraction form
145,909.85/201,358.67 = 82,247.63/x - Step 3: Cross multiply
145,909.85x = 201,358.67 × 82,247.63 - Step 4: Simplify right side
145,909.85x = 16,561,272,072.23 - Step 5: Solve for x
x = 16,561,272,072.23/145,909.85 - Step 6: Final answer
x = 113,503.46
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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.