Finding the Fourth Proportional to 307,073.70, 460,610.55 and 107,327.70
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Solution
The fourth proportional to 307,073.70, 460,610.55 and 107,327.70 is: 160,991.55
Step by Step Solution
- Step 1: Write the proportion equation
307,073.70 : 460,610.55 = 107,327.70 : x - Step 2: Convert to fraction form
307,073.70/460,610.55 = 107,327.70/x - Step 3: Cross multiply
307,073.70x = 460,610.55 × 107,327.70 - Step 4: Simplify right side
307,073.70x = 49,436,270,927.24 - Step 5: Solve for x
x = 49,436,270,927.24/307,073.70 - Step 6: Final answer
x = 160,991.55
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1.5x scale
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.