Finding the Fourth Proportional to 201,951.40, 302,927.10 and 138,965.80
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Solution
The fourth proportional to 201,951.40, 302,927.10 and 138,965.80 is: 208,448.70
Step by Step Solution
- Step 1: Write the proportion equation
201,951.40 : 302,927.10 = 138,965.80 : x - Step 2: Convert to fraction form
201,951.40/302,927.10 = 138,965.80/x - Step 3: Cross multiply
201,951.40x = 302,927.10 × 138,965.80 - Step 4: Simplify right side
201,951.40x = 42,096,506,793.18 - Step 5: Solve for x
x = 42,096,506,793.18/201,951.40 - Step 6: Final answer
x = 208,448.70
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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.