Finding the Fourth Proportional to 323,478.96, 446,395.01 and 176,305.06
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Solution
The fourth proportional to 323,478.96, 446,395.01 and 176,305.06 is: 243,297.74
Step by Step Solution
- Step 1: Write the proportion equation
323,478.96 : 446,395.01 = 176,305.06 : x - Step 2: Convert to fraction form
323,478.96/446,395.01 = 176,305.06/x - Step 3: Cross multiply
323,478.96x = 446,395.01 × 176,305.06 - Step 4: Simplify right side
323,478.96x = 78,701,699,021.75 - Step 5: Solve for x
x = 78,701,699,021.75/323,478.96 - Step 6: Final answer
x = 243,297.74
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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.