Finding the Fourth Proportional to 408,657.50, 613,009.30 and 124,357.31
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Solution
The fourth proportional to 408,657.50, 613,009.30 and 124,357.31 is: 186,542.99
Step by Step Solution
- Step 1: Write the proportion equation
408,657.50 : 613,009.30 = 124,357.31 : x - Step 2: Convert to fraction form
408,657.50/613,009.30 = 124,357.31/x - Step 3: Cross multiply
408,657.50x = 613,009.30 × 124,357.31 - Step 4: Simplify right side
408,657.50x = 76,232,190,157.18 - Step 5: Solve for x
x = 76,232,190,157.18/408,657.50 - Step 6: Final answer
x = 186,542.99
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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.