Finding the Fourth Proportional to 538,821.40, 808,232.10 and 184,235.80
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Solution
The fourth proportional to 538,821.40, 808,232.10 and 184,235.80 is: 276,353.70
Step by Step Solution
- Step 1: Write the proportion equation
538,821.40 : 808,232.10 = 184,235.80 : x - Step 2: Convert to fraction form
538,821.40/808,232.10 = 184,235.80/x - Step 3: Cross multiply
538,821.40x = 808,232.10 × 184,235.80 - Step 4: Simplify right side
538,821.40x = 148,905,287,529.18 - Step 5: Solve for x
x = 148,905,287,529.18/538,821.40 - Step 6: Final answer
x = 276,353.70
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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.