Finding the Fourth Proportional to 197,801.76, 272,977.36 and 112,946.08
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Solution
The fourth proportional to 197,801.76, 272,977.36 and 112,946.08 is: 155,871.83
Step by Step Solution
- Step 1: Write the proportion equation
197,801.76 : 272,977.36 = 112,946.08 : x - Step 2: Convert to fraction form
197,801.76/272,977.36 = 112,946.08/x - Step 3: Cross multiply
197,801.76x = 272,977.36 × 112,946.08 - Step 4: Simplify right side
197,801.76x = 30,831,722,740.75 - Step 5: Solve for x
x = 30,831,722,740.75/197,801.76 - Step 6: Final answer
x = 155,871.83
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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.