Finding the Fourth Proportional to 645,512.68, 968,269.02 and 196,232.68
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Solution
The fourth proportional to 645,512.68, 968,269.02 and 196,232.68 is: 294,349.02
Step by Step Solution
- Step 1: Write the proportion equation
645,512.68 : 968,269.02 = 196,232.68 : x - Step 2: Convert to fraction form
645,512.68/968,269.02 = 196,232.68/x - Step 3: Cross multiply
645,512.68x = 968,269.02 × 196,232.68 - Step 4: Simplify right side
645,512.68x = 190,006,024,755.57 - Step 5: Solve for x
x = 190,006,024,755.57/645,512.68 - Step 6: Final answer
x = 294,349.02
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Double scale
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Similar ratio
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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.