Finding the Fourth Proportional to 302,989.07, 418,106.13 and 167,015.99
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Solution
The fourth proportional to 302,989.07, 418,106.13 and 167,015.99 is: 230,471.71
Step by Step Solution
- Step 1: Write the proportion equation
302,989.07 : 418,106.13 = 167,015.99 : x - Step 2: Convert to fraction form
302,989.07/418,106.13 = 167,015.99/x - Step 3: Cross multiply
302,989.07x = 418,106.13 × 167,015.99 - Step 4: Simplify right side
302,989.07x = 69,830,407,136.49 - Step 5: Solve for x
x = 69,830,407,136.49/302,989.07 - Step 6: Final answer
x = 230,471.71
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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.