Finding the Fourth Proportional to 762,106.35, 1,143,160.04 and 193,530.09
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Solution
The fourth proportional to 762,106.35, 1,143,160.04 and 193,530.09 is: 290,295.26
Step by Step Solution
- Step 1: Write the proportion equation
762,106.35 : 1,143,160.04 = 193,530.09 : x - Step 2: Convert to fraction form
762,106.35/1,143,160.04 = 193,530.09/x - Step 3: Cross multiply
762,106.35x = 1,143,160.04 × 193,530.09 - Step 4: Simplify right side
762,106.35x = 221,235,864,457.95 - Step 5: Solve for x
x = 221,235,864,457.95/762,106.35 - Step 6: Final answer
x = 290,295.26
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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.