Finding the Fourth Proportional to 201,909.10, 302,207.55 and 201,909.10
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Solution
The fourth proportional to 201,909.10, 302,207.55 and 201,909.10 is: 302,207.55
Step by Step Solution
- Step 1: Write the proportion equation
201,909.10 : 302,207.55 = 201,909.10 : x - Step 2: Convert to fraction form
201,909.10/302,207.55 = 201,909.10/x - Step 3: Cross multiply
201,909.10x = 302,207.55 × 201,909.10 - Step 4: Simplify right side
201,909.10x = 61,018,454,433.71 - Step 5: Solve for x
x = 61,018,454,433.71/201,909.10 - Step 6: Final answer
x = 302,207.55
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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.