Finding the Fourth Proportional to 174,640.96, 261,742.28 and 74,683.62
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Solution
The fourth proportional to 174,640.96, 261,742.28 and 74,683.62 is: 111,931.70
Step by Step Solution
- Step 1: Write the proportion equation
174,640.96 : 261,742.28 = 74,683.62 : x - Step 2: Convert to fraction form
174,640.96/261,742.28 = 74,683.62/x - Step 3: Cross multiply
174,640.96x = 261,742.28 × 74,683.62 - Step 4: Simplify right side
174,640.96x = 19,547,859,295.32 - Step 5: Solve for x
x = 19,547,859,295.32/174,640.96 - Step 6: Final answer
x = 111,931.70
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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.