Finding the Fourth Proportional to 368,193.60, 552,214.80 and 101,887.20
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Solution
The fourth proportional to 368,193.60, 552,214.80 and 101,887.20 is: 152,809.88
Step by Step Solution
- Step 1: Write the proportion equation
368,193.60 : 552,214.80 = 101,887.20 : x - Step 2: Convert to fraction form
368,193.60/552,214.80 = 101,887.20/x - Step 3: Cross multiply
368,193.60x = 552,214.80 × 101,887.20 - Step 4: Simplify right side
368,193.60x = 56,263,619,770.56 - Step 5: Solve for x
x = 56,263,619,770.56/368,193.60 - Step 6: Final answer
x = 152,809.88
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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.