Finding the Fourth Proportional to 299,780.70, 413,698.44 and 163,814.65
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Solution
The fourth proportional to 299,780.70, 413,698.44 and 163,814.65 is: 226,064.80
Step by Step Solution
- Step 1: Write the proportion equation
299,780.70 : 413,698.44 = 163,814.65 : x - Step 2: Convert to fraction form
299,780.70/413,698.44 = 163,814.65/x - Step 3: Cross multiply
299,780.70x = 413,698.44 × 163,814.65 - Step 4: Simplify right side
299,780.70x = 67,769,865,154.15 - Step 5: Solve for x
x = 67,769,865,154.15/299,780.70 - Step 6: Final answer
x = 226,064.80
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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.