Finding the Fourth Proportional to 329,101.80, 493,652.70 and 129,355.80
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Solution
The fourth proportional to 329,101.80, 493,652.70 and 129,355.80 is: 194,033.70
Step by Step Solution
- Step 1: Write the proportion equation
329,101.80 : 493,652.70 = 129,355.80 : x - Step 2: Convert to fraction form
329,101.80/493,652.70 = 129,355.80/x - Step 3: Cross multiply
329,101.80x = 493,652.70 × 129,355.80 - Step 4: Simplify right side
329,101.80x = 63,856,839,930.66 - Step 5: Solve for x
x = 63,856,839,930.66/329,101.80 - Step 6: Final answer
x = 194,033.70
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1.5x scale
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.