Finding the Fourth Proportional to 296,835.12, 445,209.71 and 97,163.46
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Solution
The fourth proportional to 296,835.12, 445,209.71 and 97,163.46 is: 145,731.12
Step by Step Solution
- Step 1: Write the proportion equation
296,835.12 : 445,209.71 = 97,163.46 : x - Step 2: Convert to fraction form
296,835.12/445,209.71 = 97,163.46/x - Step 3: Cross multiply
296,835.12x = 445,209.71 × 97,163.46 - Step 4: Simplify right side
296,835.12x = 43,258,115,363.38 - Step 5: Solve for x
x = 43,258,115,363.38/296,835.12 - Step 6: Final answer
x = 145,731.12
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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.