Finding the Fourth Proportional to 291,907.86, 402,833.34 and 164,583.12
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Solution
The fourth proportional to 291,907.86, 402,833.34 and 164,583.12 is: 227,124.98
Step by Step Solution
- Step 1: Write the proportion equation
291,907.86 : 402,833.34 = 164,583.12 : x - Step 2: Convert to fraction form
291,907.86/402,833.34 = 164,583.12/x - Step 3: Cross multiply
291,907.86x = 402,833.34 × 164,583.12 - Step 4: Simplify right side
291,907.86x = 66,299,567,937.22 - Step 5: Solve for x
x = 66,299,567,937.22/291,907.86 - Step 6: Final answer
x = 227,124.98
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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.