Finding the Fourth Proportional to 405,859.14, 560,005.99 and 224,537.20
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Solution
The fourth proportional to 405,859.14, 560,005.99 and 224,537.20 is: 309,817.28
Step by Step Solution
- Step 1: Write the proportion equation
405,859.14 : 560,005.99 = 224,537.20 : x - Step 2: Convert to fraction form
405,859.14/560,005.99 = 224,537.20/x - Step 3: Cross multiply
405,859.14x = 560,005.99 × 224,537.20 - Step 4: Simplify right side
405,859.14x = 125,742,175,016.47 - Step 5: Solve for x
x = 125,742,175,016.47/405,859.14 - Step 6: Final answer
x = 309,817.28
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1.5x scale
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.