Finding the Fourth Proportional to 426,532.23, 640,192.01 and 216,317.79
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Solution
The fourth proportional to 426,532.23, 640,192.01 and 216,317.79 is: 324,676.33
Step by Step Solution
- Step 1: Write the proportion equation
426,532.23 : 640,192.01 = 216,317.79 : x - Step 2: Convert to fraction form
426,532.23/640,192.01 = 216,317.79/x - Step 3: Cross multiply
426,532.23x = 640,192.01 × 216,317.79 - Step 4: Simplify right side
426,532.23x = 138,484,919,697.27 - Step 5: Solve for x
x = 138,484,919,697.27/426,532.23 - Step 6: Final answer
x = 324,676.33
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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.