Finding the Fourth Proportional to 292,090.05, 438,173.01 and 102,536.82
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Solution
The fourth proportional to 292,090.05, 438,173.01 and 102,536.82 is: 153,818.55
Step by Step Solution
- Step 1: Write the proportion equation
292,090.05 : 438,173.01 = 102,536.82 : x - Step 2: Convert to fraction form
292,090.05/438,173.01 = 102,536.82/x - Step 3: Cross multiply
292,090.05x = 438,173.01 × 102,536.82 - Step 4: Simplify right side
292,090.05x = 44,928,867,055.23 - Step 5: Solve for x
x = 44,928,867,055.23/292,090.05 - Step 6: Final answer
x = 153,818.55
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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.