Finding the Fourth Proportional to 174,747.74, 261,701.19 and 99,640.18
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Solution
The fourth proportional to 174,747.74, 261,701.19 and 99,640.18 is: 149,220.55
Step by Step Solution
- Step 1: Write the proportion equation
174,747.74 : 261,701.19 = 99,640.18 : x - Step 2: Convert to fraction form
174,747.74/261,701.19 = 99,640.18/x - Step 3: Cross multiply
174,747.74x = 261,701.19 × 99,640.18 - Step 4: Simplify right side
174,747.74x = 26,075,952,369.31 - Step 5: Solve for x
x = 26,075,952,369.31/174,747.74 - Step 6: Final answer
x = 149,220.55
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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.