Finding the Fourth Proportional to 415,765.31, 573,756.17 and 224,778.65
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Solution
The fourth proportional to 415,765.31, 573,756.17 and 224,778.65 is: 310,194.55
Step by Step Solution
- Step 1: Write the proportion equation
415,765.31 : 573,756.17 = 224,778.65 : x - Step 2: Convert to fraction form
415,765.31/573,756.17 = 224,778.65/x - Step 3: Cross multiply
415,765.31x = 573,756.17 × 224,778.65 - Step 4: Simplify right side
415,765.31x = 128,968,133,329.10 - Step 5: Solve for x
x = 128,968,133,329.10/415,765.31 - Step 6: Final answer
x = 310,194.55
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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.