Finding the Fourth Proportional to 307,175.45, 460,970.66 and 107,497.55
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Solution
The fourth proportional to 307,175.45, 460,970.66 and 107,497.55 is: 161,318.94
Step by Step Solution
- Step 1: Write the proportion equation
307,175.45 : 460,970.66 = 107,497.55 : x - Step 2: Convert to fraction form
307,175.45/460,970.66 = 107,497.55/x - Step 3: Cross multiply
307,175.45x = 460,970.66 × 107,497.55 - Step 4: Simplify right side
307,175.45x = 49,553,217,993.05 - Step 5: Solve for x
x = 49,553,217,993.05/307,175.45 - Step 6: Final answer
x = 161,318.94
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1.5x scale
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.