Finding the Fourth Proportional to 524,805.20, 787,207.80 and 169,845.20
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Solution
The fourth proportional to 524,805.20, 787,207.80 and 169,845.20 is: 254,767.80
Step by Step Solution
- Step 1: Write the proportion equation
524,805.20 : 787,207.80 = 169,845.20 : x - Step 2: Convert to fraction form
524,805.20/787,207.80 = 169,845.20/x - Step 3: Cross multiply
524,805.20x = 787,207.80 × 169,845.20 - Step 4: Simplify right side
524,805.20x = 133,703,466,232.56 - Step 5: Solve for x
x = 133,703,466,232.56/524,805.20 - Step 6: Final answer
x = 254,767.80
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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.