Finding the Fourth Proportional to 174,945.12, 261,823.08 and 130,461.60
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Solution
The fourth proportional to 174,945.12, 261,823.08 and 130,461.60 is: 195,248.99
Step by Step Solution
- Step 1: Write the proportion equation
174,945.12 : 261,823.08 = 130,461.60 : x - Step 2: Convert to fraction form
174,945.12/261,823.08 = 130,461.60/x - Step 3: Cross multiply
174,945.12x = 261,823.08 × 130,461.60 - Step 4: Simplify right side
174,945.12x = 34,157,857,933.73 - Step 5: Solve for x
x = 34,157,857,933.73/174,945.12 - Step 6: Final answer
x = 195,248.99
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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.