Finding the Fourth Proportional to 355,094.23, 490,055.06 and 202,132.49
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Solution
The fourth proportional to 355,094.23, 490,055.06 and 202,132.49 is: 278,957.08
Step by Step Solution
- Step 1: Write the proportion equation
355,094.23 : 490,055.06 = 202,132.49 : x - Step 2: Convert to fraction form
355,094.23/490,055.06 = 202,132.49/x - Step 3: Cross multiply
355,094.23x = 490,055.06 × 202,132.49 - Step 4: Simplify right side
355,094.23x = 99,056,048,948.24 - Step 5: Solve for x
x = 99,056,048,948.24/355,094.23 - Step 6: Final answer
x = 278,957.08
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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.