Finding the Fourth Proportional to 405,568.80, 559,674.36 and 224,275.68
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Solution
The fourth proportional to 405,568.80, 559,674.36 and 224,275.68 is: 309,494.59
Step by Step Solution
- Step 1: Write the proportion equation
405,568.80 : 559,674.36 = 224,275.68 : x - Step 2: Convert to fraction form
405,568.80/559,674.36 = 224,275.68/x - Step 3: Cross multiply
405,568.80x = 559,674.36 × 224,275.68 - Step 4: Simplify right side
405,568.80x = 125,521,347,667.57 - Step 5: Solve for x
x = 125,521,347,667.57/405,568.80 - Step 6: Final answer
x = 309,494.59
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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.