Finding the Fourth Proportional to 234,180.48, 323,161.68 and 138,688.08
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Solution
The fourth proportional to 234,180.48, 323,161.68 and 138,688.08 is: 191,385.18
Step by Step Solution
- Step 1: Write the proportion equation
234,180.48 : 323,161.68 = 138,688.08 : x - Step 2: Convert to fraction form
234,180.48/323,161.68 = 138,688.08/x - Step 3: Cross multiply
234,180.48x = 323,161.68 × 138,688.08 - Step 4: Simplify right side
234,180.48x = 44,818,672,928.77 - Step 5: Solve for x
x = 44,818,672,928.77/234,180.48 - Step 6: Final answer
x = 191,385.18
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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.