Finding the Fourth Proportional to 252,204.36, 348,042.78 and 139,024.68
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Solution
The fourth proportional to 252,204.36, 348,042.78 and 139,024.68 is: 191,854.48
Step by Step Solution
- Step 1: Write the proportion equation
252,204.36 : 348,042.78 = 139,024.68 : x - Step 2: Convert to fraction form
252,204.36/348,042.78 = 139,024.68/x - Step 3: Cross multiply
252,204.36x = 348,042.78 × 139,024.68 - Step 4: Simplify right side
252,204.36x = 48,386,536,115.81 - Step 5: Solve for x
x = 48,386,536,115.81/252,204.36 - Step 6: Final answer
x = 191,854.48
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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.