Finding the Fourth Proportional to 556,905.70, 835,358.55 and 162,921.70
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Solution
The fourth proportional to 556,905.70, 835,358.55 and 162,921.70 is: 244,382.55
Step by Step Solution
- Step 1: Write the proportion equation
556,905.70 : 835,358.55 = 162,921.70 : x - Step 2: Convert to fraction form
556,905.70/835,358.55 = 162,921.70/x - Step 3: Cross multiply
556,905.70x = 835,358.55 × 162,921.70 - Step 4: Simplify right side
556,905.70x = 136,098,035,075.54 - Step 5: Solve for x
x = 136,098,035,075.54/556,905.70 - Step 6: Final answer
x = 244,382.55
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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.