Finding the Fourth Proportional to 251,204.10, 346,657.74 and 138,024.42
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Solution
The fourth proportional to 251,204.10, 346,657.74 and 138,024.42 is: 190,471.55
Step by Step Solution
- Step 1: Write the proportion equation
251,204.10 : 346,657.74 = 138,024.42 : x - Step 2: Convert to fraction form
251,204.10/346,657.74 = 138,024.42/x - Step 3: Cross multiply
251,204.10x = 346,657.74 × 138,024.42 - Step 4: Simplify right side
251,204.10x = 47,847,233,502.01 - Step 5: Solve for x
x = 47,847,233,502.01/251,204.10 - Step 6: Final answer
x = 190,471.55
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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.