Finding the Fourth Proportional to 429,969.48, 644,954.94 and 163,668.84
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Solution
The fourth proportional to 429,969.48, 644,954.94 and 163,668.84 is: 245,503.53
Step by Step Solution
- Step 1: Write the proportion equation
429,969.48 : 644,954.94 = 163,668.84 : x - Step 2: Convert to fraction form
429,969.48/644,954.94 = 163,668.84/x - Step 3: Cross multiply
429,969.48x = 644,954.94 × 163,668.84 - Step 4: Simplify right side
429,969.48x = 105,559,026,882.07 - Step 5: Solve for x
x = 105,559,026,882.07/429,969.48 - Step 6: Final answer
x = 245,503.53
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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.