Finding the Fourth Proportional to 201,886.90, 302,830.35 and 96,651.70
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Solution
The fourth proportional to 201,886.90, 302,830.35 and 96,651.70 is: 144,977.55
Step by Step Solution
- Step 1: Write the proportion equation
201,886.90 : 302,830.35 = 96,651.70 : x - Step 2: Convert to fraction form
201,886.90/302,830.35 = 96,651.70/x - Step 3: Cross multiply
201,886.90x = 302,830.35 × 96,651.70 - Step 4: Simplify right side
201,886.90x = 29,269,068,139.10 - Step 5: Solve for x
x = 29,269,068,139.10/201,886.90 - Step 6: Final answer
x = 144,977.55
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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.