Finding the Fourth Proportional to 346,720.68, 478,484.01 and 195,817.68
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Solution
The fourth proportional to 346,720.68, 478,484.01 and 195,817.68 is: 270,233.75
Step by Step Solution
- Step 1: Write the proportion equation
346,720.68 : 478,484.01 = 195,817.68 : x - Step 2: Convert to fraction form
346,720.68/478,484.01 = 195,817.68/x - Step 3: Cross multiply
346,720.68x = 478,484.01 × 195,817.68 - Step 4: Simplify right side
346,720.68x = 93,695,628,755.30 - Step 5: Solve for x
x = 93,695,628,755.30/346,720.68 - Step 6: Final answer
x = 270,233.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.