Finding the Fourth Proportional to 290,038.92, 434,974.20 and 121,554.84
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Solution
The fourth proportional to 290,038.92, 434,974.20 and 121,554.84 is: 182,296.98
Step by Step Solution
- Step 1: Write the proportion equation
290,038.92 : 434,974.20 = 121,554.84 : x - Step 2: Convert to fraction form
290,038.92/434,974.20 = 121,554.84/x - Step 3: Cross multiply
290,038.92x = 434,974.20 × 121,554.84 - Step 4: Simplify right side
290,038.92x = 52,873,219,285.13 - Step 5: Solve for x
x = 52,873,219,285.13/290,038.92 - Step 6: Final answer
x = 182,296.98
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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.