Finding the Fourth Proportional to 317,633.35, 438,334.88 and 174,402.67
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Solution
The fourth proportional to 317,633.35, 438,334.88 and 174,402.67 is: 240,676.16
Step by Step Solution
- Step 1: Write the proportion equation
317,633.35 : 438,334.88 = 174,402.67 : x - Step 2: Convert to fraction form
317,633.35/438,334.88 = 174,402.67/x - Step 3: Cross multiply
317,633.35x = 438,334.88 × 174,402.67 - Step 4: Simplify right side
317,633.35x = 76,446,773,426.13 - Step 5: Solve for x
x = 76,446,773,426.13/317,633.35 - Step 6: Final answer
x = 240,676.16
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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.