Finding the Fourth Proportional to 307,299.42, 460,963.71 and 149,339.70
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Solution
The fourth proportional to 307,299.42, 460,963.71 and 149,339.70 is: 224,016.64
Step by Step Solution
- Step 1: Write the proportion equation
307,299.42 : 460,963.71 = 149,339.70 : x - Step 2: Convert to fraction form
307,299.42/460,963.71 = 149,339.70/x - Step 3: Cross multiply
307,299.42x = 460,963.71 × 149,339.70 - Step 4: Simplify right side
307,299.42x = 68,840,182,162.29 - Step 5: Solve for x
x = 68,840,182,162.29/307,299.42 - Step 6: Final answer
x = 224,016.64
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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.