Finding the Fourth Proportional to 329,730.99, 494,264.17 and 129,974.05
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Solution
The fourth proportional to 329,730.99, 494,264.17 and 129,974.05 is: 194,830.08
Step by Step Solution
- Step 1: Write the proportion equation
329,730.99 : 494,264.17 = 129,974.05 : x - Step 2: Convert to fraction form
329,730.99/494,264.17 = 129,974.05/x - Step 3: Cross multiply
329,730.99x = 494,264.17 × 129,974.05 - Step 4: Simplify right side
329,730.99x = 64,241,515,944.79 - Step 5: Solve for x
x = 64,241,515,944.79/329,730.99 - Step 6: Final answer
x = 194,830.08
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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.