Finding the Fourth Proportional to 345,398.36, 473,197.50 and 332,454.78
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Solution
The fourth proportional to 345,398.36, 473,197.50 and 332,454.78 is: 455,464.74
Step by Step Solution
- Step 1: Write the proportion equation
345,398.36 : 473,197.50 = 332,454.78 : x - Step 2: Convert to fraction form
345,398.36/473,197.50 = 332,454.78/x - Step 3: Cross multiply
345,398.36x = 473,197.50 × 332,454.78 - Step 4: Simplify right side
345,398.36x = 157,316,770,759.05 - Step 5: Solve for x
x = 157,316,770,759.05/345,398.36 - Step 6: Final answer
x = 455,464.74
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.