Finding the Fourth Proportional to 656,516.63, 984,774.95 and 157,880.63
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Solution
The fourth proportional to 656,516.63, 984,774.95 and 157,880.63 is: 236,820.94
Step by Step Solution
- Step 1: Write the proportion equation
656,516.63 : 984,774.95 = 157,880.63 : x - Step 2: Convert to fraction form
656,516.63/984,774.95 = 157,880.63/x - Step 3: Cross multiply
656,516.63x = 984,774.95 × 157,880.63 - Step 4: Simplify right side
656,516.63x = 155,476,883,800.94 - Step 5: Solve for x
x = 155,476,883,800.94/656,516.63 - Step 6: Final answer
x = 236,820.94
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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.