Finding the Fourth Proportional to 307,350.29, 460,914.59 and 129,871.05
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Solution
The fourth proportional to 307,350.29, 460,914.59 and 129,871.05 is: 194,759.74
Step by Step Solution
- Step 1: Write the proportion equation
307,350.29 : 460,914.59 = 129,871.05 : x - Step 2: Convert to fraction form
307,350.29/460,914.59 = 129,871.05/x - Step 3: Cross multiply
307,350.29x = 460,914.59 × 129,871.05 - Step 4: Simplify right side
307,350.29x = 59,859,462,088.30 - Step 5: Solve for x
x = 59,859,462,088.30/307,350.29 - Step 6: Final answer
x = 194,759.74
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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.