Finding the Fourth Proportional to 406,378.68, 609,593.99 and 136,495.89
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Solution
The fourth proportional to 406,378.68, 609,593.99 and 136,495.89 is: 204,752.56
Step by Step Solution
- Step 1: Write the proportion equation
406,378.68 : 609,593.99 = 136,495.89 : x - Step 2: Convert to fraction form
406,378.68/609,593.99 = 136,495.89/x - Step 3: Cross multiply
406,378.68x = 609,593.99 × 136,495.89 - Step 4: Simplify right side
406,378.68x = 83,207,073,521.22 - Step 5: Solve for x
x = 83,207,073,521.22/406,378.68 - Step 6: Final answer
x = 204,752.56
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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.