Finding the Fourth Proportional to 163,027.20, 228,652.80 and 163,027.20
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Solution
The fourth proportional to 163,027.20, 228,652.80 and 163,027.20 is: 228,652.80
Step by Step Solution
- Step 1: Write the proportion equation
163,027.20 : 228,652.80 = 163,027.20 : x - Step 2: Convert to fraction form
163,027.20/228,652.80 = 163,027.20/x - Step 3: Cross multiply
163,027.20x = 228,652.80 × 163,027.20 - Step 4: Simplify right side
163,027.20x = 37,276,625,756.16 - Step 5: Solve for x
x = 37,276,625,756.16/163,027.20 - Step 6: Final answer
x = 228,652.80
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.