Finding the Fourth Proportional to 174,778.50, 261,603.84 and 90,422.49
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Solution
The fourth proportional to 174,778.50, 261,603.84 and 90,422.49 is: 135,341.99
Step by Step Solution
- Step 1: Write the proportion equation
174,778.50 : 261,603.84 = 90,422.49 : x - Step 2: Convert to fraction form
174,778.50/261,603.84 = 90,422.49/x - Step 3: Cross multiply
174,778.50x = 261,603.84 × 90,422.49 - Step 4: Simplify right side
174,778.50x = 23,654,870,606.36 - Step 5: Solve for x
x = 23,654,870,606.36/174,778.50 - Step 6: Final answer
x = 135,341.99
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1.5x scale
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.