Finding the Fourth Proportional to 201,681.40, 302,522.10 and 68,711.80
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Solution
The fourth proportional to 201,681.40, 302,522.10 and 68,711.80 is: 103,067.70
Step by Step Solution
- Step 1: Write the proportion equation
201,681.40 : 302,522.10 = 68,711.80 : x - Step 2: Convert to fraction form
201,681.40/302,522.10 = 68,711.80/x - Step 3: Cross multiply
201,681.40x = 302,522.10 × 68,711.80 - Step 4: Simplify right side
201,681.40x = 20,786,838,030.78 - Step 5: Solve for x
x = 20,786,838,030.78/201,681.40 - Step 6: Final answer
x = 103,067.70
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1.5x scale
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.