Finding the Fourth Proportional to 291,294.99, 436,966.20 and 80,932.95
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Solution
The fourth proportional to 291,294.99, 436,966.20 and 80,932.95 is: 121,406.01
Step by Step Solution
- Step 1: Write the proportion equation
291,294.99 : 436,966.20 = 80,932.95 : x - Step 2: Convert to fraction form
291,294.99/436,966.20 = 80,932.95/x - Step 3: Cross multiply
291,294.99x = 436,966.20 × 80,932.95 - Step 4: Simplify right side
291,294.99x = 35,364,963,616.29 - Step 5: Solve for x
x = 35,364,963,616.29/291,294.99 - Step 6: Final answer
x = 121,406.01
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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.