Finding the Fourth Proportional to 201,711.70, 302,567.55 and 103,407.70
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Solution
The fourth proportional to 201,711.70, 302,567.55 and 103,407.70 is: 155,111.55
Step by Step Solution
- Step 1: Write the proportion equation
201,711.70 : 302,567.55 = 103,407.70 : x - Step 2: Convert to fraction form
201,711.70/302,567.55 = 103,407.70/x - Step 3: Cross multiply
201,711.70x = 302,567.55 × 103,407.70 - Step 4: Simplify right side
201,711.70x = 31,287,814,440.14 - Step 5: Solve for x
x = 31,287,814,440.14/201,711.70 - Step 6: Final answer
x = 155,111.55
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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.