Finding the Fourth Proportional to 225,311.90, 310,909.14 and 134,649.81
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Solution
The fourth proportional to 225,311.90, 310,909.14 and 134,649.81 is: 185,804.02
Step by Step Solution
- Step 1: Write the proportion equation
225,311.90 : 310,909.14 = 134,649.81 : x - Step 2: Convert to fraction form
225,311.90/310,909.14 = 134,649.81/x - Step 3: Cross multiply
225,311.90x = 310,909.14 × 134,649.81 - Step 4: Simplify right side
225,311.90x = 41,863,856,628.26 - Step 5: Solve for x
x = 41,863,856,628.26/225,311.90 - Step 6: Final answer
x = 185,804.02
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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.