Finding the Fourth Proportional to 470,954.11, 706,455.60 and 155,435.62
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Solution
The fourth proportional to 470,954.11, 706,455.60 and 155,435.62 is: 233,161.49
Step by Step Solution
- Step 1: Write the proportion equation
470,954.11 : 706,455.60 = 155,435.62 : x - Step 2: Convert to fraction form
470,954.11/706,455.60 = 155,435.62/x - Step 3: Cross multiply
470,954.11x = 706,455.60 × 155,435.62 - Step 4: Simplify right side
470,954.11x = 109,808,364,188.47 - Step 5: Solve for x
x = 109,808,364,188.47/470,954.11 - Step 6: Final answer
x = 233,161.49
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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.