Finding the Fourth Proportional to 174,365.91, 261,547.34 and 115,465.05
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Solution
The fourth proportional to 174,365.91, 261,547.34 and 115,465.05 is: 173,196.56
Step by Step Solution
- Step 1: Write the proportion equation
174,365.91 : 261,547.34 = 115,465.05 : x - Step 2: Convert to fraction form
174,365.91/261,547.34 = 115,465.05/x - Step 3: Cross multiply
174,365.91x = 261,547.34 × 115,465.05 - Step 4: Simplify right side
174,365.91x = 30,199,576,113.14 - Step 5: Solve for x
x = 30,199,576,113.14/174,365.91 - Step 6: Final answer
x = 173,196.56
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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.