Finding the Fourth Proportional to 538,777.75, 808,170.68 and 239,177.79
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Solution
The fourth proportional to 538,777.75, 808,170.68 and 239,177.79 is: 358,768.49
Step by Step Solution
- Step 1: Write the proportion equation
538,777.75 : 808,170.68 = 239,177.79 : x - Step 2: Convert to fraction form
538,777.75/808,170.68 = 239,177.79/x - Step 3: Cross multiply
538,777.75x = 808,170.68 × 239,177.79 - Step 4: Simplify right side
538,777.75x = 193,296,477,185.20 - Step 5: Solve for x
x = 193,296,477,185.20/538,777.75 - Step 6: Final answer
x = 358,768.49
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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.