Finding the Fourth Proportional to 291,920.10, 402,849.09 and 164,594.94
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Solution
The fourth proportional to 291,920.10, 402,849.09 and 164,594.94 is: 227,140.65
Step by Step Solution
- Step 1: Write the proportion equation
291,920.10 : 402,849.09 = 164,594.94 : x - Step 2: Convert to fraction form
291,920.10/402,849.09 = 164,594.94/x - Step 3: Cross multiply
291,920.10x = 402,849.09 × 164,594.94 - Step 4: Simplify right side
291,920.10x = 66,306,921,797.60 - Step 5: Solve for x
x = 66,306,921,797.60/291,920.10 - Step 6: Final answer
x = 227,140.65
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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.