Finding the Fourth Proportional to 174,663.08, 261,775.40 and 74,705.76
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Solution
The fourth proportional to 174,663.08, 261,775.40 and 74,705.76 is: 111,964.88
Step by Step Solution
- Step 1: Write the proportion equation
174,663.08 : 261,775.40 = 74,705.76 : x - Step 2: Convert to fraction form
174,663.08/261,775.40 = 74,705.76/x - Step 3: Cross multiply
174,663.08x = 261,775.40 × 74,705.76 - Step 4: Simplify right side
174,663.08x = 19,556,130,206.30 - Step 5: Solve for x
x = 19,556,130,206.30/174,663.08 - Step 6: Final answer
x = 111,964.88
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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.