Finding the Fourth Proportional to 478,992.04, 661,053.36 and 275,069.68
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Solution
The fourth proportional to 478,992.04, 661,053.36 and 275,069.68 is: 379,621.62
Step by Step Solution
- Step 1: Write the proportion equation
478,992.04 : 661,053.36 = 275,069.68 : x - Step 2: Convert to fraction form
478,992.04/661,053.36 = 275,069.68/x - Step 3: Cross multiply
478,992.04x = 661,053.36 × 275,069.68 - Step 4: Simplify right side
478,992.04x = 181,835,736,198.13 - Step 5: Solve for x
x = 181,835,736,198.13/478,992.04 - Step 6: Final answer
x = 379,621.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.