Finding the Fourth Proportional to 239,779.55, 330,776.36 and 167,334.37
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Solution
The fourth proportional to 239,779.55, 330,776.36 and 167,334.37 is: 230,838.09
Step by Step Solution
- Step 1: Write the proportion equation
239,779.55 : 330,776.36 = 167,334.37 : x - Step 2: Convert to fraction form
239,779.55/330,776.36 = 167,334.37/x - Step 3: Cross multiply
239,779.55x = 330,776.36 × 167,334.37 - Step 4: Simplify right side
239,779.55x = 55,350,252,775.38 - Step 5: Solve for x
x = 55,350,252,775.38/239,779.55 - Step 6: Final answer
x = 230,838.09
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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.