Finding the Fourth Proportional to 302,918.88, 418,028.40 and 175,668.42
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Solution
The fourth proportional to 302,918.88, 418,028.40 and 175,668.42 is: 242,422.62
Step by Step Solution
- Step 1: Write the proportion equation
302,918.88 : 418,028.40 = 175,668.42 : x - Step 2: Convert to fraction form
302,918.88/418,028.40 = 175,668.42/x - Step 3: Cross multiply
302,918.88x = 418,028.40 × 175,668.42 - Step 4: Simplify right side
302,918.88x = 73,434,388,543.13 - Step 5: Solve for x
x = 73,434,388,543.13/302,918.88 - Step 6: Final answer
x = 242,422.62
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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.