Finding the Fourth Proportional to 317,631.03, 438,331.68 and 174,400.35
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Solution
The fourth proportional to 317,631.03, 438,331.68 and 174,400.35 is: 240,672.95
Step by Step Solution
- Step 1: Write the proportion equation
317,631.03 : 438,331.68 = 174,400.35 : x - Step 2: Convert to fraction form
317,631.03/438,331.68 = 174,400.35/x - Step 3: Cross multiply
317,631.03x = 438,331.68 × 174,400.35 - Step 4: Simplify right side
317,631.03x = 76,445,198,408.09 - Step 5: Solve for x
x = 76,445,198,408.09/317,631.03 - Step 6: Final answer
x = 240,672.95
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.