Finding the Fourth Proportional to 756,069.20, 1,134,103.80 and 195,103.70
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Solution
The fourth proportional to 756,069.20, 1,134,103.80 and 195,103.70 is: 292,655.55
Step by Step Solution
- Step 1: Write the proportion equation
756,069.20 : 1,134,103.80 = 195,103.70 : x - Step 2: Convert to fraction form
756,069.20/1,134,103.80 = 195,103.70/x - Step 3: Cross multiply
756,069.20x = 1,134,103.80 × 195,103.70 - Step 4: Simplify right side
756,069.20x = 221,267,847,564.06 - Step 5: Solve for x
x = 221,267,847,564.06/756,069.20 - Step 6: Final answer
x = 292,655.55
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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.