Finding the Fourth Proportional to 462,366.66, 693,549.98 and 129,942.66
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Solution
The fourth proportional to 462,366.66, 693,549.98 and 129,942.66 is: 194,913.99
Step by Step Solution
- Step 1: Write the proportion equation
462,366.66 : 693,549.98 = 129,942.66 : x - Step 2: Convert to fraction form
462,366.66/693,549.98 = 129,942.66/x - Step 3: Cross multiply
462,366.66x = 693,549.98 × 129,942.66 - Step 4: Simplify right side
462,366.66x = 90,121,729,569.00 - Step 5: Solve for x
x = 90,121,729,569.00/462,366.66 - Step 6: Final answer
x = 194,913.99
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1.5x scale
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.