Finding the Fourth Proportional to 470,935.44, 706,427.69 and 155,416.95
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Solution
The fourth proportional to 470,935.44, 706,427.69 and 155,416.95 is: 233,133.52
Step by Step Solution
- Step 1: Write the proportion equation
470,935.44 : 706,427.69 = 155,416.95 : x - Step 2: Convert to fraction form
470,935.44/706,427.69 = 155,416.95/x - Step 3: Cross multiply
470,935.44x = 706,427.69 × 155,416.95 - Step 4: Simplify right side
470,935.44x = 109,790,836,198.26 - Step 5: Solve for x
x = 109,790,836,198.26/470,935.44 - Step 6: Final answer
x = 233,133.52
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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.