Finding the Fourth Proportional to 291,148.24, 436,727.76 and 91,464.88
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Solution
The fourth proportional to 291,148.24, 436,727.76 and 91,464.88 is: 137,199.02
Step by Step Solution
- Step 1: Write the proportion equation
291,148.24 : 436,727.76 = 91,464.88 : x - Step 2: Convert to fraction form
291,148.24/436,727.76 = 91,464.88/x - Step 3: Cross multiply
291,148.24x = 436,727.76 × 91,464.88 - Step 4: Simplify right side
291,148.24x = 39,945,252,161.07 - Step 5: Solve for x
x = 39,945,252,161.07/291,148.24 - Step 6: Final answer
x = 137,199.02
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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.