Finding the Fourth Proportional to 301,058.76, 415,457.67 and 173,731.62
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Solution
The fourth proportional to 301,058.76, 415,457.67 and 173,731.62 is: 239,747.66
Step by Step Solution
- Step 1: Write the proportion equation
301,058.76 : 415,457.67 = 173,731.62 : x - Step 2: Convert to fraction form
301,058.76/415,457.67 = 173,731.62/x - Step 3: Cross multiply
301,058.76x = 415,457.67 × 173,731.62 - Step 4: Simplify right side
301,058.76x = 72,178,134,050.53 - Step 5: Solve for x
x = 72,178,134,050.53/301,058.76 - Step 6: Final answer
x = 239,747.66
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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.