Finding the Fourth Proportional to 357,193.40, 492,894.24 and 211,974.08
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Solution
The fourth proportional to 357,193.40, 492,894.24 and 211,974.08 is: 292,504.85
Step by Step Solution
- Step 1: Write the proportion equation
357,193.40 : 492,894.24 = 211,974.08 : x - Step 2: Convert to fraction form
357,193.40/492,894.24 = 211,974.08/x - Step 3: Cross multiply
357,193.40x = 492,894.24 × 211,974.08 - Step 4: Simplify right side
357,193.40x = 104,480,803,061.30 - Step 5: Solve for x
x = 104,480,803,061.30/357,193.40 - Step 6: Final answer
x = 292,504.85
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.