Finding the Fourth Proportional to 307,517.40, 461,338.36 and 130,024.12
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Solution
The fourth proportional to 307,517.40, 461,338.36 and 130,024.12 is: 195,062.50
Step by Step Solution
- Step 1: Write the proportion equation
307,517.40 : 461,338.36 = 130,024.12 : x - Step 2: Convert to fraction form
307,517.40/461,338.36 = 130,024.12/x - Step 3: Cross multiply
307,517.40x = 461,338.36 × 130,024.12 - Step 4: Simplify right side
307,517.40x = 59,985,114,281.24 - Step 5: Solve for x
x = 59,985,114,281.24/307,517.40 - Step 6: Final answer
x = 195,062.50
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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.