Finding the Fourth Proportional to 607,205.08, 911,363.28 and 307,892.26
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Solution
The fourth proportional to 607,205.08, 911,363.28 and 307,892.26 is: 462,120.15
Step by Step Solution
- Step 1: Write the proportion equation
607,205.08 : 911,363.28 = 307,892.26 : x - Step 2: Convert to fraction form
607,205.08/911,363.28 = 307,892.26/x - Step 3: Cross multiply
607,205.08x = 911,363.28 × 307,892.26 - Step 4: Simplify right side
607,205.08x = 280,601,699,960.21 - Step 5: Solve for x
x = 280,601,699,960.21/607,205.08 - Step 6: Final answer
x = 462,120.15
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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.