Finding the Fourth Proportional to 408,829.92, 613,346.94 and 142,594.26
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Solution
The fourth proportional to 408,829.92, 613,346.94 and 142,594.26 is: 213,926.99
Step by Step Solution
- Step 1: Write the proportion equation
408,829.92 : 613,346.94 = 142,594.26 : x - Step 2: Convert to fraction form
408,829.92/613,346.94 = 142,594.26/x - Step 3: Cross multiply
408,829.92x = 613,346.94 × 142,594.26 - Step 4: Simplify right side
408,829.92x = 87,459,753,032.56 - Step 5: Solve for x
x = 87,459,753,032.56/408,829.92 - Step 6: Final answer
x = 213,926.99
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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.