Finding the Fourth Proportional to 470,955.11, 706,457.10 and 155,436.62
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Solution
The fourth proportional to 470,955.11, 706,457.10 and 155,436.62 is: 233,162.99
Step by Step Solution
- Step 1: Write the proportion equation
470,955.11 : 706,457.10 = 155,436.62 : x - Step 2: Convert to fraction form
470,955.11/706,457.10 = 155,436.62/x - Step 3: Cross multiply
470,955.11x = 706,457.10 × 155,436.62 - Step 4: Simplify right side
470,955.11x = 109,809,303,799.00 - Step 5: Solve for x
x = 109,809,303,799.00/470,955.11 - Step 6: Final answer
x = 233,162.99
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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.