Finding the Fourth Proportional to 315,372.60, 472,574.50 and 214,038.97
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Solution
The fourth proportional to 315,372.60, 472,574.50 and 214,038.97 is: 320,729.70
Step by Step Solution
- Step 1: Write the proportion equation
315,372.60 : 472,574.50 = 214,038.97 : x - Step 2: Convert to fraction form
315,372.60/472,574.50 = 214,038.97/x - Step 3: Cross multiply
315,372.60x = 472,574.50 × 214,038.97 - Step 4: Simplify right side
315,372.60x = 101,149,358,715.70 - Step 5: Solve for x
x = 101,149,358,715.70/315,372.60 - Step 6: Final answer
x = 320,729.70
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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.