Finding the Fourth Proportional to 75,465.84, 113,202.64 and 19,306.44
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Solution
The fourth proportional to 75,465.84, 113,202.64 and 19,306.44 is: 28,960.65
Step by Step Solution
- Step 1: Write the proportion equation
75,465.84 : 113,202.64 = 19,306.44 : x - Step 2: Convert to fraction form
75,465.84/113,202.64 = 19,306.44/x - Step 3: Cross multiply
75,465.84x = 113,202.64 × 19,306.44 - Step 4: Simplify right side
75,465.84x = 2,185,539,742.26 - Step 5: Solve for x
x = 2,185,539,742.26/75,465.84 - Step 6: Final answer
x = 28,960.65
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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.