Finding the Fourth Proportional to 291,077.24, 436,585.19 and 77,866.70
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Solution
The fourth proportional to 291,077.24, 436,585.19 and 77,866.70 is: 116,791.84
Step by Step Solution
- Step 1: Write the proportion equation
291,077.24 : 436,585.19 = 77,866.70 : x - Step 2: Convert to fraction form
291,077.24/436,585.19 = 77,866.70/x - Step 3: Cross multiply
291,077.24x = 436,585.19 × 77,866.70 - Step 4: Simplify right side
291,077.24x = 33,995,445,441.91 - Step 5: Solve for x
x = 33,995,445,441.91/291,077.24 - Step 6: Final answer
x = 116,791.84
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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.