Finding the Fourth Proportional to 291,490.87, 436,248.74 and 179,242.19
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Solution
The fourth proportional to 291,490.87, 436,248.74 and 179,242.19 is: 268,256.02
Step by Step Solution
- Step 1: Write the proportion equation
291,490.87 : 436,248.74 = 179,242.19 : x - Step 2: Convert to fraction form
291,490.87/436,248.74 = 179,242.19/x - Step 3: Cross multiply
291,490.87x = 436,248.74 × 179,242.19 - Step 4: Simplify right side
291,490.87x = 78,194,179,542.34 - Step 5: Solve for x
x = 78,194,179,542.34/291,490.87 - Step 6: Final answer
x = 268,256.02
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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.