Finding the Fourth Proportional to 524,852.20, 787,278.30 and 192,557.80
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Solution
The fourth proportional to 524,852.20, 787,278.30 and 192,557.80 is: 288,836.70
Step by Step Solution
- Step 1: Write the proportion equation
524,852.20 : 787,278.30 = 192,557.80 : x - Step 2: Convert to fraction form
524,852.20/787,278.30 = 192,557.80/x - Step 3: Cross multiply
524,852.20x = 787,278.30 × 192,557.80 - Step 4: Simplify right side
524,852.20x = 151,596,577,435.74 - Step 5: Solve for x
x = 151,596,577,435.74/524,852.20 - Step 6: Final answer
x = 288,836.70
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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.