Finding the Fourth Proportional to 368,381.49, 508,365.69 and 207,236.54
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Solution
The fourth proportional to 368,381.49, 508,365.69 and 207,236.54 is: 285,985.99
Step by Step Solution
- Step 1: Write the proportion equation
368,381.49 : 508,365.69 = 207,236.54 : x - Step 2: Convert to fraction form
368,381.49/508,365.69 = 207,236.54/x - Step 3: Cross multiply
368,381.49x = 508,365.69 × 207,236.54 - Step 4: Simplify right side
368,381.49x = 105,351,946,297.16 - Step 5: Solve for x
x = 105,351,946,297.16/368,381.49 - Step 6: Final answer
x = 285,985.99
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1.5x scale
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.