Finding the Fourth Proportional to 317,875.61, 438,676.35 and 174,648.98
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Solution
The fourth proportional to 317,875.61, 438,676.35 and 174,648.98 is: 241,019.99
Step by Step Solution
- Step 1: Write the proportion equation
317,875.61 : 438,676.35 = 174,648.98 : x - Step 2: Convert to fraction form
317,875.61/438,676.35 = 174,648.98/x - Step 3: Cross multiply
317,875.61x = 438,676.35 × 174,648.98 - Step 4: Simplify right side
317,875.61x = 76,614,377,077.62 - Step 5: Solve for x
x = 76,614,377,077.62/317,875.61 - Step 6: Final answer
x = 241,019.99
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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.