Finding the Fourth Proportional to 291,628.35, 437,400.99 and 91,922.78
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Solution
The fourth proportional to 291,628.35, 437,400.99 and 91,922.78 is: 137,871.08
Step by Step Solution
- Step 1: Write the proportion equation
291,628.35 : 437,400.99 = 91,922.78 : x - Step 2: Convert to fraction form
291,628.35/437,400.99 = 91,922.78/x - Step 3: Cross multiply
291,628.35x = 437,400.99 × 91,922.78 - Step 4: Simplify right side
291,628.35x = 40,207,116,069.05 - Step 5: Solve for x
x = 40,207,116,069.05/291,628.35 - Step 6: Final answer
x = 137,871.08
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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.