Finding the Fourth Proportional to 405,749.46, 559,950.74 and 224,458.26
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Solution
The fourth proportional to 405,749.46, 559,950.74 and 224,458.26 is: 309,761.53
Step by Step Solution
- Step 1: Write the proportion equation
405,749.46 : 559,950.74 = 224,458.26 : x - Step 2: Convert to fraction form
405,749.46/559,950.74 = 224,458.26/x - Step 3: Cross multiply
405,749.46x = 559,950.74 × 224,458.26 - Step 4: Simplify right side
405,749.46x = 125,685,572,077.24 - Step 5: Solve for x
x = 125,685,572,077.24/405,749.46 - Step 6: Final answer
x = 309,761.53
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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.