Finding the Fourth Proportional to 201,873.30, 302,809.95 and 127,223.70
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Solution
The fourth proportional to 201,873.30, 302,809.95 and 127,223.70 is: 190,835.55
Step by Step Solution
- Step 1: Write the proportion equation
201,873.30 : 302,809.95 = 127,223.70 : x - Step 2: Convert to fraction form
201,873.30/302,809.95 = 127,223.70/x - Step 3: Cross multiply
201,873.30x = 302,809.95 × 127,223.70 - Step 4: Simplify right side
201,873.30x = 38,524,602,235.82 - Step 5: Solve for x
x = 38,524,602,235.82/201,873.30 - Step 6: Final answer
x = 190,835.55
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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.