Finding the Fourth Proportional to 165,646.40, 248,176.80 and 160,164.80
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Solution
The fourth proportional to 165,646.40, 248,176.80 and 160,164.80 is: 239,964.09
Step by Step Solution
- Step 1: Write the proportion equation
165,646.40 : 248,176.80 = 160,164.80 : x - Step 2: Convert to fraction form
165,646.40/248,176.80 = 160,164.80/x - Step 3: Cross multiply
165,646.40x = 248,176.80 × 160,164.80 - Step 4: Simplify right side
165,646.40x = 39,749,187,536.64 - Step 5: Solve for x
x = 39,749,187,536.64/165,646.40 - Step 6: Final answer
x = 239,964.09
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.