Finding the Fourth Proportional to 307,587.80, 461,381.70 and 307,587.80
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Solution
The fourth proportional to 307,587.80, 461,381.70 and 307,587.80 is: 461,381.70
Step by Step Solution
- Step 1: Write the proportion equation
307,587.80 : 461,381.70 = 307,587.80 : x - Step 2: Convert to fraction form
307,587.80/461,381.70 = 307,587.80/x - Step 3: Cross multiply
307,587.80x = 461,381.70 × 307,587.80 - Step 4: Simplify right side
307,587.80x = 141,915,382,063.26 - Step 5: Solve for x
x = 141,915,382,063.26/307,587.80 - Step 6: Final answer
x = 461,381.70
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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.