Finding the Fourth Proportional to 445,502.50, 668,242.71 and 129,962.14
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Solution
The fourth proportional to 445,502.50, 668,242.71 and 129,962.14 is: 194,939.99
Step by Step Solution
- Step 1: Write the proportion equation
445,502.50 : 668,242.71 = 129,962.14 : x - Step 2: Convert to fraction form
445,502.50/668,242.71 = 129,962.14/x - Step 3: Cross multiply
445,502.50x = 668,242.71 × 129,962.14 - Step 4: Simplify right side
445,502.50x = 86,846,250,960.39 - Step 5: Solve for x
x = 86,846,250,960.39/445,502.50 - Step 6: Final answer
x = 194,939.99
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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.