Finding the Fourth Proportional to 201,929.60, 302,894.40 and 186,723.20
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Solution
The fourth proportional to 201,929.60, 302,894.40 and 186,723.20 is: 280,084.80
Step by Step Solution
- Step 1: Write the proportion equation
201,929.60 : 302,894.40 = 186,723.20 : x - Step 2: Convert to fraction form
201,929.60/302,894.40 = 186,723.20/x - Step 3: Cross multiply
201,929.60x = 302,894.40 × 186,723.20 - Step 4: Simplify right side
201,929.60x = 56,557,411,630.08 - Step 5: Solve for x
x = 56,557,411,630.08/201,929.60 - Step 6: Final answer
x = 280,084.80
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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.