Finding the Fourth Proportional to 291,041.14, 401,632.95 and 163,716.70
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Solution
The fourth proportional to 291,041.14, 401,632.95 and 163,716.70 is: 225,926.90
Step by Step Solution
- Step 1: Write the proportion equation
291,041.14 : 401,632.95 = 163,716.70 : x - Step 2: Convert to fraction form
291,041.14/401,632.95 = 163,716.70/x - Step 3: Cross multiply
291,041.14x = 401,632.95 × 163,716.70 - Step 4: Simplify right side
291,041.14x = 65,754,021,185.27 - Step 5: Solve for x
x = 65,754,021,185.27/291,041.14 - Step 6: Final answer
x = 225,926.90
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.