Finding the Fourth Proportional to 403,743.43, 605,701.26 and 201,448.31
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Solution
The fourth proportional to 403,743.43, 605,701.26 and 201,448.31 is: 302,215.43
Step by Step Solution
- Step 1: Write the proportion equation
403,743.43 : 605,701.26 = 201,448.31 : x - Step 2: Convert to fraction form
403,743.43/605,701.26 = 201,448.31/x - Step 3: Cross multiply
403,743.43x = 605,701.26 × 201,448.31 - Step 4: Simplify right side
403,743.43x = 122,017,495,191.87 - Step 5: Solve for x
x = 122,017,495,191.87/403,743.43 - Step 6: Final answer
x = 302,215.43
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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.