Finding the Fourth Proportional to 640,132.92, 960,199.70 and 166,817.08
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Solution
The fourth proportional to 640,132.92, 960,199.70 and 166,817.08 is: 250,225.70
Step by Step Solution
- Step 1: Write the proportion equation
640,132.92 : 960,199.70 = 166,817.08 : x - Step 2: Convert to fraction form
640,132.92/960,199.70 = 166,817.08/x - Step 3: Cross multiply
640,132.92x = 960,199.70 × 166,817.08 - Step 4: Simplify right side
640,132.92x = 160,177,710,170.88 - Step 5: Solve for x
x = 160,177,710,170.88/640,132.92 - Step 6: Final answer
x = 250,225.70
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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.