Finding the Fourth Proportional to 491,135.79, 736,701.41 and 136,148.63
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Solution
The fourth proportional to 491,135.79, 736,701.41 and 136,148.63 is: 204,222.31
Step by Step Solution
- Step 1: Write the proportion equation
491,135.79 : 736,701.41 = 136,148.63 : x - Step 2: Convert to fraction form
491,135.79/736,701.41 = 136,148.63/x - Step 3: Cross multiply
491,135.79x = 736,701.41 × 136,148.63 - Step 4: Simplify right side
491,135.79x = 100,300,883,326.32 - Step 5: Solve for x
x = 100,300,883,326.32/491,135.79 - Step 6: Final answer
x = 204,222.31
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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.