Finding the Fourth Proportional to 468,588.21, 646,650.79 and 253,728.91
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Solution
The fourth proportional to 468,588.21, 646,650.79 and 253,728.91 is: 350,145.38
Step by Step Solution
- Step 1: Write the proportion equation
468,588.21 : 646,650.79 = 253,728.91 : x - Step 2: Convert to fraction form
468,588.21/646,650.79 = 253,728.91/x - Step 3: Cross multiply
468,588.21x = 646,650.79 × 253,728.91 - Step 4: Simplify right side
468,588.21x = 164,073,998,061.15 - Step 5: Solve for x
x = 164,073,998,061.15/468,588.21 - Step 6: Final answer
x = 350,145.38
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.