Finding the Fourth Proportional to 251,209.55, 376,826.58 and 101,431.14
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Solution
The fourth proportional to 251,209.55, 376,826.58 and 101,431.14 is: 152,151.65
Step by Step Solution
- Step 1: Write the proportion equation
251,209.55 : 376,826.58 = 101,431.14 : x - Step 2: Convert to fraction form
251,209.55/376,826.58 = 101,431.14/x - Step 3: Cross multiply
251,209.55x = 376,826.58 × 101,431.14 - Step 4: Simplify right side
251,209.55x = 38,221,948,178.60 - Step 5: Solve for x
x = 38,221,948,178.60/251,209.55 - Step 6: Final answer
x = 152,151.65
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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.