Finding the Fourth Proportional to 434,064.36, 651,130.20 and 130,434.81
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Solution
The fourth proportional to 434,064.36, 651,130.20 and 130,434.81 is: 195,662.33
Step by Step Solution
- Step 1: Write the proportion equation
434,064.36 : 651,130.20 = 130,434.81 : x - Step 2: Convert to fraction form
434,064.36/651,130.20 = 130,434.81/x - Step 3: Cross multiply
434,064.36x = 651,130.20 × 130,434.81 - Step 4: Simplify right side
434,064.36x = 84,930,043,922.26 - Step 5: Solve for x
x = 84,930,043,922.26/434,064.36 - Step 6: Final answer
x = 195,662.33
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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.