Finding the Fourth Proportional to 197,737.56, 272,878.65 and 107,094.60
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Solution
The fourth proportional to 197,737.56, 272,878.65 and 107,094.60 is: 147,790.99
Step by Step Solution
- Step 1: Write the proportion equation
197,737.56 : 272,878.65 = 107,094.60 : x - Step 2: Convert to fraction form
197,737.56/272,878.65 = 107,094.60/x - Step 3: Cross multiply
197,737.56x = 272,878.65 × 107,094.60 - Step 4: Simplify right side
197,737.56x = 29,223,829,870.29 - Step 5: Solve for x
x = 29,223,829,870.29/197,737.56 - Step 6: Final answer
x = 147,790.99
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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.