Finding the Fourth Proportional to 291,660.75, 437,534.87 and 104,715.99
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Solution
The fourth proportional to 291,660.75, 437,534.87 and 104,715.99 is: 157,089.69
Step by Step Solution
- Step 1: Write the proportion equation
291,660.75 : 437,534.87 = 104,715.99 : x - Step 2: Convert to fraction form
291,660.75/437,534.87 = 104,715.99/x - Step 3: Cross multiply
291,660.75x = 437,534.87 × 104,715.99 - Step 4: Simplify right side
291,660.75x = 45,816,896,547.99 - Step 5: Solve for x
x = 45,816,896,547.99/291,660.75 - Step 6: Final answer
x = 157,089.69
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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.