Finding the Fourth Proportional to 500,493.68, 750,781.49 and 145,507.26
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Solution
The fourth proportional to 500,493.68, 750,781.49 and 145,507.26 is: 218,272.80
Step by Step Solution
- Step 1: Write the proportion equation
500,493.68 : 750,781.49 = 145,507.26 : x - Step 2: Convert to fraction form
500,493.68/750,781.49 = 145,507.26/x - Step 3: Cross multiply
500,493.68x = 750,781.49 × 145,507.26 - Step 4: Simplify right side
500,493.68x = 109,244,156,741.08 - Step 5: Solve for x
x = 109,244,156,741.08/500,493.68 - Step 6: Final answer
x = 218,272.80
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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.