Finding the Fourth Proportional to 291,703.40, 436,388.70 and 252,693.80
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Solution
The fourth proportional to 291,703.40, 436,388.70 and 252,693.80 is: 378,030.28
Step by Step Solution
- Step 1: Write the proportion equation
291,703.40 : 436,388.70 = 252,693.80 : x - Step 2: Convert to fraction form
291,703.40/436,388.70 = 252,693.80/x - Step 3: Cross multiply
291,703.40x = 436,388.70 × 252,693.80 - Step 4: Simplify right side
291,703.40x = 110,272,718,880.06 - Step 5: Solve for x
x = 110,272,718,880.06/291,703.40 - Step 6: Final answer
x = 378,030.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.