Finding the Fourth Proportional to 381,408.96, 526,441.12 and 260,599.08
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Solution
The fourth proportional to 381,408.96, 526,441.12 and 260,599.08 is: 359,692.84
Step by Step Solution
- Step 1: Write the proportion equation
381,408.96 : 526,441.12 = 260,599.08 : x - Step 2: Convert to fraction form
381,408.96/526,441.12 = 260,599.08/x - Step 3: Cross multiply
381,408.96x = 526,441.12 × 260,599.08 - Step 4: Simplify right side
381,408.96x = 137,190,071,546.17 - Step 5: Solve for x
x = 137,190,071,546.17/381,408.96 - Step 6: Final answer
x = 359,692.84
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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.