Finding the Fourth Proportional to 197,862.08, 273,056.64 and 112,977.60
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Solution
The fourth proportional to 197,862.08, 273,056.64 and 112,977.60 is: 155,913.07
Step by Step Solution
- Step 1: Write the proportion equation
197,862.08 : 273,056.64 = 112,977.60 : x - Step 2: Convert to fraction form
197,862.08/273,056.64 = 112,977.60/x - Step 3: Cross multiply
197,862.08x = 273,056.64 × 112,977.60 - Step 4: Simplify right side
197,862.08x = 30,849,283,851.26 - Step 5: Solve for x
x = 30,849,283,851.26/197,862.08 - Step 6: Final answer
x = 155,913.07
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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.