Finding the Fourth Proportional to 174,763.99, 261,582.14 and 90,407.99
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Solution
The fourth proportional to 174,763.99, 261,582.14 and 90,407.99 is: 135,320.30
Step by Step Solution
- Step 1: Write the proportion equation
174,763.99 : 261,582.14 = 90,407.99 : x - Step 2: Convert to fraction form
174,763.99/261,582.14 = 90,407.99/x - Step 3: Cross multiply
174,763.99x = 261,582.14 × 90,407.99 - Step 4: Simplify right side
174,763.99x = 23,649,115,045.26 - Step 5: Solve for x
x = 23,649,115,045.26/174,763.99 - Step 6: Final answer
x = 135,320.30
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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.