Finding the Fourth Proportional to 137,228.97, 205,801.44 and 48,461.68
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Solution
The fourth proportional to 137,228.97, 205,801.44 and 48,461.68 is: 72,677.68
Step by Step Solution
- Step 1: Write the proportion equation
137,228.97 : 205,801.44 = 48,461.68 : x - Step 2: Convert to fraction form
137,228.97/205,801.44 = 48,461.68/x - Step 3: Cross multiply
137,228.97x = 205,801.44 × 48,461.68 - Step 4: Simplify right side
137,228.97x = 9,973,483,528.82 - Step 5: Solve for x
x = 9,973,483,528.82/137,228.97 - Step 6: Final answer
x = 72,677.68
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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.