Finding the Fourth Proportional to 299,668.29, 413,537.05 and 163,698.74
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Solution
The fourth proportional to 299,668.29, 413,537.05 and 163,698.74 is: 225,901.43
Step by Step Solution
- Step 1: Write the proportion equation
299,668.29 : 413,537.05 = 163,698.74 : x - Step 2: Convert to fraction form
299,668.29/413,537.05 = 163,698.74/x - Step 3: Cross multiply
299,668.29x = 413,537.05 × 163,698.74 - Step 4: Simplify right side
299,668.29x = 67,695,494,652.91 - Step 5: Solve for x
x = 67,695,494,652.91/299,668.29 - Step 6: Final answer
x = 225,901.43
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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.