Finding the Fourth Proportional to 400,076.70, 552,158.07 and 230,317.98
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Solution
The fourth proportional to 400,076.70, 552,158.07 and 230,317.98 is: 317,868.88
Step by Step Solution
- Step 1: Write the proportion equation
400,076.70 : 552,158.07 = 230,317.98 : x - Step 2: Convert to fraction form
400,076.70/552,158.07 = 230,317.98/x - Step 3: Cross multiply
400,076.70x = 552,158.07 × 230,317.98 - Step 4: Simplify right side
400,076.70x = 127,171,931,323.10 - Step 5: Solve for x
x = 127,171,931,323.10/400,076.70 - Step 6: Final answer
x = 317,868.88
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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.