Finding the Fourth Proportional to 213,341.24, 319,904.71 and 71,136.17
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Solution
The fourth proportional to 213,341.24, 319,904.71 and 71,136.17 is: 106,668.53
Step by Step Solution
- Step 1: Write the proportion equation
213,341.24 : 319,904.71 = 71,136.17 : x - Step 2: Convert to fraction form
213,341.24/319,904.71 = 71,136.17/x - Step 3: Cross multiply
213,341.24x = 319,904.71 × 71,136.17 - Step 4: Simplify right side
213,341.24x = 22,756,795,656.78 - Step 5: Solve for x
x = 22,756,795,656.78/213,341.24 - Step 6: Final answer
x = 106,668.53
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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.