Finding the Fourth Proportional to 134,490.80, 201,649.80 and 55,636.40
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Solution
The fourth proportional to 134,490.80, 201,649.80 and 55,636.40 is: 83,418.86
Step by Step Solution
- Step 1: Write the proportion equation
134,490.80 : 201,649.80 = 55,636.40 : x - Step 2: Convert to fraction form
134,490.80/201,649.80 = 55,636.40/x - Step 3: Cross multiply
134,490.80x = 201,649.80 × 55,636.40 - Step 4: Simplify right side
134,490.80x = 11,219,068,932.72 - Step 5: Solve for x
x = 11,219,068,932.72/134,490.80 - Step 6: Final answer
x = 83,418.86
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.