Finding the Fourth Proportional to 307,876.20, 461,828.70 and 97,530.60
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Solution
The fourth proportional to 307,876.20, 461,828.70 and 97,530.60 is: 146,300.46
Step by Step Solution
- Step 1: Write the proportion equation
307,876.20 : 461,828.70 = 97,530.60 : x - Step 2: Convert to fraction form
307,876.20/461,828.70 = 97,530.60/x - Step 3: Cross multiply
307,876.20x = 461,828.70 × 97,530.60 - Step 4: Simplify right side
307,876.20x = 45,042,430,208.22 - Step 5: Solve for x
x = 45,042,430,208.22/307,876.20 - Step 6: Final answer
x = 146,300.46
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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.