Finding the Fourth Proportional to 409,272.36, 613,904.20 and 159,952.20
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Solution
The fourth proportional to 409,272.36, 613,904.20 and 159,952.20 is: 239,926.60
Step by Step Solution
- Step 1: Write the proportion equation
409,272.36 : 613,904.20 = 159,952.20 : x - Step 2: Convert to fraction form
409,272.36/613,904.20 = 159,952.20/x - Step 3: Cross multiply
409,272.36x = 613,904.20 × 159,952.20 - Step 4: Simplify right side
409,272.36x = 98,195,327,379.24 - Step 5: Solve for x
x = 98,195,327,379.24/409,272.36 - Step 6: Final answer
x = 239,926.60
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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.