Finding the Fourth Proportional to 370,841.70, 556,408.35 and 146,163.90
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Solution
The fourth proportional to 370,841.70, 556,408.35 and 146,163.90 is: 219,303.32
Step by Step Solution
- Step 1: Write the proportion equation
370,841.70 : 556,408.35 = 146,163.90 : x - Step 2: Convert to fraction form
370,841.70/556,408.35 = 146,163.90/x - Step 3: Cross multiply
370,841.70x = 556,408.35 × 146,163.90 - Step 4: Simplify right side
370,841.70x = 81,326,814,428.57 - Step 5: Solve for x
x = 81,326,814,428.57/370,841.70 - Step 6: Final answer
x = 219,303.32
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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.