Finding the Fourth Proportional to 173,480.85, 239,539.28 and 133,130.70
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Solution
The fourth proportional to 173,480.85, 239,539.28 and 133,130.70 is: 183,824.50
Step by Step Solution
- Step 1: Write the proportion equation
173,480.85 : 239,539.28 = 133,130.70 : x - Step 2: Convert to fraction form
173,480.85/239,539.28 = 133,130.70/x - Step 3: Cross multiply
173,480.85x = 239,539.28 × 133,130.70 - Step 4: Simplify right side
173,480.85x = 31,890,031,358.24 - Step 5: Solve for x
x = 31,890,031,358.24/173,480.85 - Step 6: Final answer
x = 183,824.50
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1.5x scale
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.