Finding the Fourth Proportional to 201,664.90, 302,497.35 and 198,165.70
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Solution
The fourth proportional to 201,664.90, 302,497.35 and 198,165.70 is: 297,248.55
Step by Step Solution
- Step 1: Write the proportion equation
201,664.90 : 302,497.35 = 198,165.70 : x - Step 2: Convert to fraction form
201,664.90/302,497.35 = 198,165.70/x - Step 3: Cross multiply
201,664.90x = 302,497.35 × 198,165.70 - Step 4: Simplify right side
201,664.90x = 59,944,599,110.90 - Step 5: Solve for x
x = 59,944,599,110.90/201,664.90 - Step 6: Final answer
x = 297,248.55
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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.