Finding the Fourth Proportional to 201,929.40, 302,894.10 and 68,959.80
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Solution
The fourth proportional to 201,929.40, 302,894.10 and 68,959.80 is: 103,439.70
Step by Step Solution
- Step 1: Write the proportion equation
201,929.40 : 302,894.10 = 68,959.80 : x - Step 2: Convert to fraction form
201,929.40/302,894.10 = 68,959.80/x - Step 3: Cross multiply
201,929.40x = 302,894.10 × 68,959.80 - Step 4: Simplify right side
201,929.40x = 20,887,516,557.18 - Step 5: Solve for x
x = 20,887,516,557.18/201,929.40 - Step 6: Final answer
x = 103,439.70
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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.