Finding the Fourth Proportional to 564,203.94, 778,602.18 and 309,556.14
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Solution
The fourth proportional to 564,203.94, 778,602.18 and 309,556.14 is: 427,187.88
Step by Step Solution
- Step 1: Write the proportion equation
564,203.94 : 778,602.18 = 309,556.14 : x - Step 2: Convert to fraction form
564,203.94/778,602.18 = 309,556.14/x - Step 3: Cross multiply
564,203.94x = 778,602.18 × 309,556.14 - Step 4: Simplify right side
564,203.94x = 241,021,085,436.39 - Step 5: Solve for x
x = 241,021,085,436.39/564,203.94 - Step 6: Final answer
x = 427,187.88
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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.