Finding the Fourth Proportional to 368,857.60, 553,804.80 and 228,889.60
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Solution
The fourth proportional to 368,857.60, 553,804.80 and 228,889.60 is: 343,656.09
Step by Step Solution
- Step 1: Write the proportion equation
368,857.60 : 553,804.80 = 228,889.60 : x - Step 2: Convert to fraction form
368,857.60/553,804.80 = 228,889.60/x - Step 3: Cross multiply
368,857.60x = 553,804.80 × 228,889.60 - Step 4: Simplify right side
368,857.60x = 126,760,159,150.08 - Step 5: Solve for x
x = 126,760,159,150.08/368,857.60 - Step 6: Final answer
x = 343,656.09
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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.